Revert of Add dependency_manager initialization to binary_manager

tools/perf/run_tests

 #!/usr/bin/env python
 # Copyright 2013 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.
 
 """This script runs unit tests of the code in the perf directory.
 
 This script DOES NOT run benchmarks. run_benchmark does that.
 """
 
 import os
 import subprocess
 import sys
 
-from core import project_config as project_config_module
 
 if __name__ == '__main__':
-  project_config = project_config_module.config
+  perf_dir = os.path.dirname(os.path.realpath(__file__))
+  telemetry_dir = os.path.realpath(os.path.join(perf_dir, '..', 'telemetry'))
 
   env = os.environ.copy()
   if 'PYTHONPATH' in env:
-    env['PYTHONPATH'] = os.path.join(env['PYTHONPATH'],
-                                     project_config.telemetry_dir)
+    env['PYTHONPATH'] = env['PYTHONPATH'] + os.pathsep + telemetry_dir
   else:
-    env['PYTHONPATH'] = project_config.telemetry_dir
+    env['PYTHONPATH'] = telemetry_dir
 
-  path_to_run_tests = os.path.join(
-      project_config.telemetry_dir, 'telemetry', 'testing', 'run_tests.py')
-  argv = ['--top-level-dir', project_config.top_level_dir,
-          '--client-config', project_config.client_config] + sys.argv[1:]
+  path_to_run_tests = os.path.join(telemetry_dir, 'telemetry', 'testing',
+                                   'run_tests.py')
+  argv = ['--top-level-dir', perf_dir] + sys.argv[1:]
   sys.exit(subprocess.call([sys.executable, path_to_run_tests] + argv, env=env))