Remove <impl> from manifest.

Test: boots
Bug: 36602724
Change-Id: I1d346a47e3aef5619735032fa08fe70b84534e44
diff --git a/manifest.xml b/manifest.xml
index a9e308d..1f334cb 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -2,7 +2,6 @@
     <hal format="hidl">
         <name>android.hardware.audio</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>2.0</version>
         <interface>
             <name>IDevicesFactory</name>
@@ -12,7 +11,6 @@
     <hal format="hidl">
         <name>android.hardware.audio.effect</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>2.0</version>
         <interface>
             <name>IEffectsFactory</name>
@@ -22,7 +20,6 @@
     <hal format="hidl">
         <name>android.hardware.biometrics.fingerprint</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>2.1</version>
         <interface>
             <name>IBiometricsFingerprint</name>
@@ -32,7 +29,6 @@
     <hal format="hidl">
         <name>android.hardware.bluetooth</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IBluetoothHci</name>
@@ -42,7 +38,6 @@
     <hal format="hidl">
         <name>android.hardware.boot</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IBootControl</name>
@@ -52,7 +47,6 @@
     <hal format="hidl">
         <name>android.hardware.camera.provider</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>2.4</version>
         <interface>
             <name>ICameraProvider</name>
@@ -62,7 +56,6 @@
     <hal format="hidl">
         <name>android.hardware.configstore</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>ISurfaceFlingerConfigs</name>
@@ -72,7 +65,6 @@
     <hal format="hidl">
         <name>android.hardware.contexthub</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IContexthub</name>
@@ -82,7 +74,6 @@
     <hal format="hidl">
         <name>android.hardware.drm</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>ICryptoFactory</name>
@@ -96,7 +87,6 @@
     <hal format="hidl">
         <name>android.hardware.dumpstate</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IDumpstateDevice</name>
@@ -106,7 +96,6 @@
     <hal format="hidl">
         <name>android.hardware.gatekeeper</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IGatekeeper</name>
@@ -116,7 +105,6 @@
     <hal format="hidl">
         <name>android.hardware.gnss</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IGnss</name>
@@ -126,7 +114,6 @@
     <hal format="hidl">
         <name>android.hardware.graphics.allocator</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>2.0</version>
         <interface>
             <name>IAllocator</name>
@@ -136,7 +123,6 @@
     <hal format="hidl">
         <name>android.hardware.graphics.mapper</name>
         <transport arch="32+64">passthrough</transport>
-        <impl level="generic"></impl>
         <version>2.0</version>
         <interface>
             <name>IMapper</name>
@@ -146,7 +132,6 @@
     <hal format="hidl">
         <name>android.hardware.graphics.composer</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>2.1</version>
         <interface>
             <name>IComposer</name>
@@ -156,7 +141,6 @@
     <hal format="hidl">
         <name>android.hardware.keymaster</name>
         <transport arch="32+64">passthrough</transport>
-        <impl level="generic"></impl>
         <version>3.0</version>
         <interface>
             <name>IKeymasterDevice</name>
@@ -166,7 +150,6 @@
     <hal format="hidl">
         <name>android.hardware.light</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>2.0</version>
         <interface>
             <name>ILight</name>
@@ -176,7 +159,6 @@
     <hal format="hidl">
         <name>android.hardware.media.omx</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IOmx</name>
@@ -186,7 +168,6 @@
     <hal format="hidl">
         <name>android.hardware.memtrack</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IMemtrack</name>
@@ -196,7 +177,6 @@
     <hal format="hidl">
         <name>android.hardware.nfc</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>INfc</name>
@@ -206,7 +186,6 @@
     <hal format="hidl">
         <name>android.hardware.power</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IPower</name>
@@ -216,7 +195,6 @@
     <hal format="hidl">
         <name>android.hardware.sensors</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>ISensors</name>
@@ -226,7 +204,6 @@
     <hal format="hidl">
         <name>android.hardware.renderscript</name>
         <transport arch="32+64">passthrough</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IDevice</name>
@@ -236,7 +213,6 @@
     <hal format="hidl">
         <name>android.hardware.soundtrigger</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>2.0</version>
         <interface>
             <name>ISoundTriggerHw</name>
@@ -246,7 +222,6 @@
     <hal format="hidl">
         <name>android.hardware.thermal</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IThermal</name>
@@ -256,7 +231,6 @@
     <hal format="hidl">
         <name>android.hardware.usb</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IUsb</name>
@@ -266,7 +240,6 @@
     <hal format="hidl">
         <name>android.hardware.vibrator</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IVibrator</name>
@@ -276,7 +249,6 @@
     <hal format="hidl">
         <name>android.hardware.vr</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IVr</name>
@@ -286,7 +258,6 @@
     <hal format="hidl">
         <name>android.hardware.wifi</name>
         <transport>hwbinder</transport>
-        <impl level="generic"></impl>
         <version>1.0</version>
         <interface>
             <name>IWifi</name>