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: I01e9407f2561907410f643e1ed1a339a3fa0cc97 Merged-In: I01e9407f2561907410f643e1ed1a339a3fa0cc97