[inspector] Remove inspector_protocol_parser_test target.

test/inspector_protocol_parser_test/inspector_protocol_parser_test.isolate

 # Copyright 2016 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
+
+# TODO: bring tests back once inspector_protocol is stable and moves out of blink.
 {
   'variables': {
     'files': [
-      '<(PRODUCT_DIR)/inspector_protocol_parser_test<(EXECUTABLE_SUFFIX)',
-      './inspector_protocol_parser_test.status',
     ],
   },
   'includes': [
-    '../../src/base.isolate',
-    '../../tools/testrunner/testrunner.isolate',
   ],
 }