Remove all references to GYP

webrtc/build/gyp_webrtc

Index: webrtc/build/gyp_webrtc
diff --git a/webrtc/build/gyp_webrtc b/webrtc/build/gyp_webrtc
deleted file mode 100644
index c0a9ed9da8efb004074e2d4825664cfa42b9d4d6..0000000000000000000000000000000000000000
--- a/webrtc/build/gyp_webrtc
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
-#
-# Use of this source code is governed by a BSD-style license
-# that can be found in the LICENSE file in the root of the source
-# tree. An additional intellectual property rights grant can be found
-# in the file PATENTS.  All contributing project authors may
-# be found in the AUTHORS file in the root of the source tree.
-
-# Simple launcher script for gyp_webrtc.py.
-# TODO(kjellander): This should probably be shell script but for historical
-# reasons (all the python code used to live in this script without a
-# .py extension, and was often run as 'python gyp_webrtc') it is
-# currently still python.
-
-execfile(__file__ + '.py')