Remove useless path additions of old Telemetry location.

content/test/gpu/run_gpu_test.py

 #!/usr/bin/env python
 # 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.
 
 import os
 import re
 import subprocess
 import sys
 
 from gpu_tests import path_util
-path_util.AddDirToPathIfNeeded(path_util.GetChromiumSrcDir(), 'tools',
-                               'telemetry')
+
+path_util.SetupTelemetryPaths()
 
 from telemetry import benchmark_runner
 
 import gpu_project_config
 
 
 def _LaunchDBus():
   """Launches DBus to work around a bug in GLib.
 
   Works around a bug in GLib where it performs operations which aren't
@@ skipping 64 matching lines @@
 
 if __name__ == '__main__':
   did_launch_dbus = _LaunchDBus()
   try:
     retcode = benchmark_runner.main(gpu_project_config.CONFIG)
   finally:
     if did_launch_dbus:
       _ShutdownDBus()
 
   sys.exit(retcode)