Bug 1585470 - Remove duplicate cpu-features.c definition when building GV without webrtc r=glandium

Differential Revision: https://phabricator.services.mozilla.com/D82120

media/libaom/moz.build

@@ -84,11 +84,6 @@ if CONFIG['OS_TARGET'] == 'Android':
     # the OS they're on, so do it for them.
     DEFINES['__linux__'] = True
 
-    if not CONFIG['MOZ_WEBRTC']:
-        SOURCES += [
-            '%%%s/sources/android/cpufeatures/cpu-features.c' % CONFIG['ANDROID_NDK'],
-        ]
-
 for f in SOURCES:
     if f.endswith('sse2.c'):
         SOURCES[f].flags += CONFIG['SSE2_FLAGS']