Remove all .gyp and .gypi files.

build/ios/coverage.gypi

Index: build/ios/coverage.gypi
diff --git a/build/ios/coverage.gypi b/build/ios/coverage.gypi
deleted file mode 100644
index e82208902cc42428be3acfef5040037d41ea58c5..0000000000000000000000000000000000000000
--- a/build/ios/coverage.gypi
+++ /dev/null
@@ -1,32 +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.
-
-{
-  'variables': {
-    'enable_coverage%': 0,
-  },
-  'conditions': [
-    ['enable_coverage', {
-        'target_defaults': {
-          'defines': [
-            'ENABLE_TEST_CODE_COVERAGE=1'
-          ],
-          'link_settings': {
-            'xcode_settings': {
-              'OTHER_LDFLAGS': [
-                '-fprofile-arcs',
-              ],
-            },
-          },
-          'xcode_settings': {
-            'OTHER_CFLAGS': [
-              '-fprofile-arcs',
-              '-ftest-coverage',
-            ],
-          },
-        },
-    }],
-  ],
-}
-