Wifi: Remove IWifi hidl entry from manifest.xml

This CL removes the definition for the IWifi hidl interface from
manifest.xml and rely on vint-fragements entry.
This is to avoid the need to modify the revision in future

Bug: 138243400
Test: builds and wifi works
Change-Id: I359136514897c5f37d2c045cfedacdba46fa5d3c
diff --git a/manifest.xml b/manifest.xml
index 8c39798..c08a789 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -147,15 +147,6 @@
         </interface>
     </hal>
     <hal format="hidl">
-        <name>android.hardware.wifi</name>
-        <transport>hwbinder</transport>
-        <version>1.0</version>
-        <interface>
-            <name>IWifi</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl">
         <name>android.hardware.wifi.hostapd</name>
         <transport>hwbinder</transport>
         <version>1.0</version>