Delete all test isolate file.

net/net_unittests.isolate

-# 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.
-{
-  'conditions': [
-    ['OS=="android" or OS=="linux" or OS=="mac" or OS=="win"', {
-      'variables': {
-        'files': [
-          'data/',
-          'third_party/nist-pkits/certs/',
-          'third_party/nist-pkits/crls/',
-        ],
-      },
-    }],
-    ['OS=="linux" or OS=="mac" or OS=="win"', {
-      'variables': {
-        'command': [
-          '../testing/test_env.py',
-          '<(PRODUCT_DIR)/net_unittests<(EXECUTABLE_SUFFIX)',
-          '--brave-new-test-launcher',
-          '--test-launcher-bot-mode',
-          '--asan=<(asan)',
-          '--msan=<(msan)',
-          '--tsan=<(tsan)',
-        ],
-        'files': [
-          '../testing/test_env.py',
-          '../third_party/pyftpdlib/',
-          '../third_party/pywebsocket/',
-          '../third_party/tlslite/',
-          '<(PRODUCT_DIR)/pyproto/google/',
-          'tools/testserver/',
-        ],
-      },
-    }],
-    ['OS=="mac" and asan==1 and fastbuild==0', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/net_unittests.dSYM/',
-        ],
-      },
-    }],
-    ['OS=="win" and (fastbuild==0 or fastbuild==1)', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/net_unittests.exe.pdb',
-        ],
-      },
-    }],
-  ],
-  'includes': [
-    '../base/base.isolate',
-    '../gin/v8.isolate',
-  ],
-}