Remove all .gyp and .gypi files.

tools/android/findbugs_plugin/findbugs_plugin.gyp

Index: tools/android/findbugs_plugin/findbugs_plugin.gyp
diff --git a/tools/android/findbugs_plugin/findbugs_plugin.gyp b/tools/android/findbugs_plugin/findbugs_plugin.gyp
deleted file mode 100644
index 440d779ee76cb95b0f0174b14d8d35f4de01fab6..0000000000000000000000000000000000000000
--- a/tools/android/findbugs_plugin/findbugs_plugin.gyp
+++ /dev/null
@@ -1,17 +0,0 @@
-# Copyright (c) 2012 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': [
-      {
-         'target_name': 'findbugs_plugin_test',
-         'type': 'none',
-         'variables': {
-           'java_in_dir': 'test/java/',
-            'run_findbugs': 0,
-         },
-         'includes': [ '../../../build/java.gypi' ],
-      }
-   ]
-}