Delete all test isolate file.

ash/ash_unittests.isolate

Index: ash/ash_unittests.isolate
diff --git a/ash/ash_unittests.isolate b/ash/ash_unittests.isolate
deleted file mode 100644
index 418a78ee4bba6405896b4b0e5e827e9ad76dd151..0000000000000000000000000000000000000000
--- a/ash/ash_unittests.isolate
+++ /dev/null
@@ -1,64 +0,0 @@
-# Copyright (c) 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': {
-    'files': [
-      '../testing/test_env.py',
-      '<(PRODUCT_DIR)/ash_test_resources_100_percent.pak',
-      '<(PRODUCT_DIR)/ash_test_resources_200_percent.pak',
-      '<(PRODUCT_DIR)/ash_test_strings.pak',
-      '<(PRODUCT_DIR)/keyboard_resources.pak',
-    ],
-  },
-  'conditions': [
-    ['use_x11==0', {
-      'variables': {
-        'command': [
-          '../testing/test_env.py',
-          '<(PRODUCT_DIR)/ash_unittests<(EXECUTABLE_SUFFIX)',
-          '--test-launcher-bot-mode',
-        ],
-      },
-    }],
-    ['use_x11==1', {
-      'variables': {
-        'command': [
-          '../testing/xvfb.py',
-          '<(PRODUCT_DIR)',
-          '<(PRODUCT_DIR)/ash_unittests',
-          '--test-launcher-bot-mode',
-        ],
-        'files': [
-          '../testing/xvfb.py',
-          '<(PRODUCT_DIR)/xdisplaycheck<(EXECUTABLE_SUFFIX)',
-        ],
-      },
-    }],
-    ['chromeos==1', {
-      'variables': {
-        'files': [
-          'display/test_data/'
-        ],
-      },
-    }],
-    ['OS=="linux"', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/libosmesa.so',
-        ],
-      },
-    }],
-    ['OS=="win"', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/osmesa.dll',
-        ],
-      },
-    }],
-  ],
-  'includes': [
-    '../base/base.isolate',
-    '../ui/gl/gl.isolate',
-  ],
-}