Remove all .gyp and .gypi files.

build/util/version.gypi

-# 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': {
-    'variables': {
-      'version_py_path': '<(DEPTH)/build/util/version.py',
-      'version_path': '<(DEPTH)/chrome/VERSION',
-      'lastchange_path': '<(DEPTH)/build/util/LASTCHANGE',
-    },
-    'version_py_path': '<(version_py_path)',
-    'version_path': '<(version_path)',
-    'lastchange_path': '<(lastchange_path)',
-    'version_full':
-        '<!(python <(version_py_path) -f <(version_path) -t "@MAJOR@.@MINOR@.@BUILD@.@PATCH@")',
-    'version_mac_dylib':
-        '<!(python <(version_py_path) -f <(version_path) -t "@BUILD@.@PATCH_HI@.@PATCH_LO@" -e "PATCH_HI=int(PATCH)/256" -e "PATCH_LO=int(PATCH)%256")',
-  },  # variables
-}