Cleanup deprecated PyAuto media tests.

chrome/test/functional/media/pyauto_media.py

Index: chrome/test/functional/media/pyauto_media.py
diff --git a/chrome/test/functional/media/pyauto_media.py b/chrome/test/functional/media/pyauto_media.py
index 2a2853766c7100500d18eebd009f77341de54f79..1917ad01b12f88ec0ddea710fddd8495f325927d 100755
--- a/chrome/test/functional/media/pyauto_media.py
+++ b/chrome/test/functional/media/pyauto_media.py
@@ -19,9 +19,6 @@ test must include this snippet:
 
 import os
 import sys
-import tempfile
-
-from media_test_env_names import MediaTestEnvNames
 
 
 def _SetupPaths():
@@ -36,18 +33,6 @@ def _SetupPaths():
       media_dir, os.pardir, os.pardir, os.pardir, os.pardir,
       'third_party', 'psutil')))
 
-  # Setting PYTHONPATH for reference build.
-  # TODO(dalecurtis): Don't use env variables, each test can process a command
-  # line before passing off control to PyAuto.
-  if os.getenv(MediaTestEnvNames.REFERENCE_BUILD_ENV_NAME):
-    reference_build_dir = os.getenv(
-        MediaTestEnvNames.REFERENCE_BUILD_DIR_ENV_NAME,
-        # TODO(imasaki): Change the following default value.
-        # Default directory is just for testing so the correct directory
-        # must be set in the build script.
-        os.path.join(tempfile.gettempdir(), 'chrome-media-test'))
-    sys.path.insert(0, reference_build_dir)
-
 
 _SetupPaths()