aosp gallery -> google photos

as with prevous commits, this is yet
another crusty old aosp app being
replaced with its modern google
equivalent.

Author: nihilx7e3

#GAPPS/product_output/app/Photos/Photos.apk

@@ -16,6 +16,7 @@ rm -Rf $InstallDir/app/DocumentsUI/
 rm -Rf $InstallDir/app/ExtShared/
 rm -Rf $InstallDir/priv-app/PackageInstaller/
 rm -Rf $InstallDir/priv-app/SoundPicker/
+rm -Rf $MountPointProduct/app/Gallery2/
 rm -Rf $MountPointProduct/app/Music/
 rm -Rf $MountPointProduct/app/talkback/
 rm -Rf $MountPointProduct/priv-app/Contacts/