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: I302fd00b09d8c63bf99400af4e4dbf66e9c008ed
diff --git a/manifest.xml b/manifest.xml
index 3f983b6..a1e6b9e 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -371,15 +371,6 @@
         </interface>
     </hal>
     <hal format="hidl">
-        <name>android.hardware.wifi</name>
-        <transport>hwbinder</transport>
-        <version>1.3</version>
-        <interface>
-            <name>IWifi</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl">
         <name>android.hardware.wifi.hostapd</name>
         <transport>hwbinder</transport>
         <version>1.1</version>