Revert "Use libvpx's obj_int_extract and unpack_lib_posix to generate offset header file."

This reverts commit 7686f0ddda717a9e776be0e219f039f68a10f9ed.

BUG=

TBR=andrew@webrtc.org, fischman@webrtc.org,

Review URL: https://webrtc-codereview.appspot.com/8369004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5520 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/build/common.gypi b/webrtc/build/common.gypi
index d8b958a..e4a4b09 100644
--- a/webrtc/build/common.gypi
+++ b/webrtc/build/common.gypi
@@ -25,13 +25,11 @@
             'webrtc_root%': '<(DEPTH)/third_party/webrtc',
             'apk_tests_path%': '<(DEPTH)/third_party/webrtc/build/apk_tests.gyp',
             'modules_java_gyp_path%': '<(DEPTH)/third_party/webrtc/modules/modules_java_chromium.gyp',
-            'gen_core_neon_offsets_gyp%': '<(DEPTH)/third_party/webrtc/modules/audio_processing/gen_core_neon_offsets_chromium.gyp',
           }, {
             'build_with_libjingle%': 0,
             'webrtc_root%': '<(DEPTH)/webrtc',
             'apk_tests_path%': '<(DEPTH)/webrtc/build/apk_test_noop.gyp',
             'modules_java_gyp_path%': '<(DEPTH)/webrtc/modules/modules_java.gyp',
-            'gen_core_neon_offsets_gyp%':'<(DEPTH)/webrtc/modules/audio_processing/gen_core_neon_offsets.gyp',
           }],
         ],
       },
@@ -40,7 +38,7 @@
       'webrtc_root%': '<(webrtc_root)',
       'apk_tests_path%': '<(apk_tests_path)',
       'modules_java_gyp_path%': '<(modules_java_gyp_path)',
-      'gen_core_neon_offsets_gyp%': '<(gen_core_neon_offsets_gyp)',
+
       'webrtc_vp8_dir%': '<(webrtc_root)/modules/video_coding/codecs/vp8',
       'rbe_components_path%': '<(webrtc_root)/modules/remote_bitrate_estimator',
       'include_opus%': 1,
@@ -50,7 +48,6 @@
     'webrtc_root%': '<(webrtc_root)',
     'apk_tests_path%': '<(apk_tests_path)',
     'modules_java_gyp_path%': '<(modules_java_gyp_path)',
-    'gen_core_neon_offsets_gyp%': '<(gen_core_neon_offsets_gyp)',
     'webrtc_vp8_dir%': '<(webrtc_vp8_dir)',
     'include_opus%': '<(include_opus)',
     'rbe_components_path%': '<(rbe_components_path)',