Delete all test isolate file.

chrome/angle_deqp_gles2_tests.isolate

-# 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.
-# TOOD(jmadill): disable gtest batching
-{
-  'includes': [
-    '../base/base.isolate',
-    '../third_party/angle/angle_on_all_platforms.isolate',
-  ],
-  'conditions': [
-    ['OS=="win" or OS=="linux"', {
-      'variables': {
-        'command': [
-          '<(PRODUCT_DIR)/angle_deqp_gles2_tests<(EXECUTABLE_SUFFIX)',
-          '--test-launcher-batch-limit=400',
-        ],
-        'files': [
-          '../third_party/angle/src/tests/deqp_support/deqp_gles2_test_expectations.txt',
-          '../third_party/deqp/src/android/cts/master/gles2-master.txt',
-          '../third_party/deqp/src/data/',
-        ],
-      },
-    }],
-    ['OS=="win"', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/angle_deqp_libgles2.dll',
-        ],
-      },
-    }],
-    ['OS=="linux"', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/lib/libangle_deqp_libgles2.so',
-        ],
-      },
-    }],
-  ],
-}