Revert of [Telemetry] Add 'check_independent' command to benchmark_runner

telemetry/examples/run_benchmark

 #!/usr/bin/env python
 # Copyright (c) 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.
 import os
 import sys
 
 sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
 from telemetry import benchmark_runner
-from telemetry import project_config
 
 def main():
   top_level_dir = os.path.dirname(__file__)
-  config = project_config.ProjectConfig(
+  config = benchmark_runner.ProjectConfig(
       top_level_dir=top_level_dir,
       benchmark_dirs=[os.path.join(top_level_dir, 'benchmarks')])
   return benchmark_runner.main(config)
 
 if __name__ == '__main__':
   sys.exit(main())