Delete all test isolate file.

remoting/remoting_unittests.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.
-{
-  'conditions': [
-    ['OS=="linux" or OS=="mac" or OS=="win"', {
-      'variables': {
-        'command': [
-          '../testing/test_env.py',
-          '<(PRODUCT_DIR)/remoting_unittests<(EXECUTABLE_SUFFIX)',
-          '--brave-new-test-launcher',
-          '--test-launcher-bot-mode',
-          '--asan=<(asan)',
-          '--msan=<(msan)',
-          '--tsan=<(tsan)',
-        ],
-        'files': [
-          '../net/data/ssl/certificates/ok_cert.pem',
-          '../net/data/ssl/certificates/unittest.key.bin',
-          '../net/data/ssl/certificates/unittest.selfsigned.der',
-          '../testing/test_env.py',
-        ],
-      },
-    }],
-  ],
-  'includes': [
-    '../base/base.isolate',
-  ],
-}