Revert "webrtc-neon patch: Try removing -mfpu=vfpv3-d16 twice since it appears twice."

This reverts commit 10eb6915ce.

That did not help.

qtwebengine-opensource-src-5.7.1-webrtc-neon.patch

@@ -1,14 +1,13 @@
 diff -ur qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/webrtc/common_audio/common_audio.gyp qtwebengine-opensource-src-5.7.1-webrtc-neon/src/3rdparty/chromium/third_party/webrtc/common_audio/common_audio.gyp
 --- qtwebengine-opensource-src-5.7.1/src/3rdparty/chromium/third_party/webrtc/common_audio/common_audio.gyp	2016-11-07 15:46:18.000000000 +0100
-+++ qtwebengine-opensource-src-5.7.1-webrtc-neon/src/3rdparty/chromium/third_party/webrtc/common_audio/common_audio.gyp	2016-12-04 00:19:46.526045155 +0100
-@@ -217,7 +217,26 @@
++++ qtwebengine-opensource-src-5.7.1-webrtc-neon/src/3rdparty/chromium/third_party/webrtc/common_audio/common_audio.gyp	2016-12-03 23:31:30.509013652 +0100
+@@ -217,7 +217,25 @@
          {
            'target_name': 'common_audio_neon',
            'type': 'static_library',
 -          'includes': ['../build/arm_neon.gypi',],
 +          'cflags!': [
 +            '-mfpu=vfpv3-d16',
-+            '-mfpu=vfpv3-d16',
 +          ],
 +          'conditions': [
 +            # "-mfpu=neon" is not required for arm64 in GCC.