Remove GYP files.

android_webview/libwebviewchromium.gypi

Index: android_webview/libwebviewchromium.gypi
diff --git a/android_webview/libwebviewchromium.gypi b/android_webview/libwebviewchromium.gypi
deleted file mode 100644
index d266cbbde3d59674d23b7211e53169300274cdb4..0000000000000000000000000000000000000000
--- a/android_webview/libwebviewchromium.gypi
+++ /dev/null
@@ -1,16 +0,0 @@
-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-{
-  'type': 'shared_library',
-  'android_unmangled_name': 1,
-  'dependencies': [
-    'android_webview_common',
-  ],
-  'variables': {
-    'use_native_jni_exports': 1,
-  },
-  'sources': [
-    'lib/main/webview_entry_point.cc',
-  ],
-}