Remove GYP files from components.

components/mime_util/mime_util.gyp

Index: components/mime_util/mime_util.gyp
diff --git a/components/mime_util/mime_util.gyp b/components/mime_util/mime_util.gyp
deleted file mode 100644
index c922f98d1e1a5210297aae29fa445337e3dcde20..0000000000000000000000000000000000000000
--- a/components/mime_util/mime_util.gyp
+++ /dev/null
@@ -1,29 +0,0 @@
-# Copyright 2015 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.
-
-{
-  'targets': [
-    {
-      # GN version: //components/mime_util/mime_util
-      'target_name': 'mime_util',
-      'type': 'static_library',
-      'dependencies': [
-        '../../base/base.gyp:base',
-        '../../net/net.gyp:net',
-      ],
-      'sources': [
-        'mime_util.cc',
-        'mime_util.h',
-      ],
-      'conditions': [
-        ['OS!="ios"', {
-          # iOS doesn't use and must not depend on //media
-          'dependencies': [
-            '../../media/media.gyp:media',
-          ],
-        }],
-      ],
-    }
-  ],
-}