Revert of Use src-side launcher for telemetry_unittests in chromium_trybot recipe

Revert of Use src-side launcher for telemetry_unittests in chromium_trybot recipe (patchset #2 id:20001 of https://codereview.chromium.org/666023004/)

Reason for revert:
windows trybots broken

please be around after landing changes and verify that bots are working

Original issue's description:
> Use src-side launcher for telemetry_unittests in chromium_trybot recipe
> 
> Depends on https://codereview.chromium.org/649683005/
> 
> BUG=422235
> 
> Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=292589

TBR=iannucci@chromium.org,phajdan.jr@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=422235

[jam, 2014-10-22 16:29:42]

Created Revert of Use src-side launcher for telemetry_unittests in
chromium_trybot recipe

[commit-bot: I haz the power, 2014-10-22 16:32:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/666563007/1

[commit-bot: I haz the power, 2014-10-22 16:35:05]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-10-22 16:35:07]

Failed to apply patch for build/scripts/slave/recipe_modules/chromium/api.py:
While running patch -p1 --forward --force --no-backup-if-mismatch;
  patching file build/scripts/slave/recipe_modules/chromium/api.py
  Hunk #1 FAILED at 623.
  1 out of 1 hunk FAILED -- saving rejects to file
build/scripts/slave/recipe_modules/chromium/api.py.rej

Patch:       build/scripts/slave/recipe_modules/chromium/api.py
Index: scripts/slave/recipe_modules/chromium/api.py
diff --git build/scripts/slave/recipe_modules/chromium/api.py
build/scripts/slave/recipe_modules/chromium/api.py
index
2e0d79ca6aece98e4238f7cebaf08d411de05a6d..8ae7076f99d172df4ad9b9bf215e0ee3049beabd
100644
--- a/build/scripts/slave/recipe_modules/chromium/api.py
+++ b/build/scripts/slave/recipe_modules/chromium/api.py
@@ -623,32 +623,3 @@
               '27eac9b2869ef6c89391f305a3f01285ea317867',
               '9d9a93134b3eabd003b85b4e7dea06c0eae150ed',
           ])
-
-  def get_common_args_for_scripts(self):
-    args = []
-
-    args.extend(['--build-config-fs', self.c.build_config_fs])
-
-    paths = {}
-    for path in ('build',):
-      paths[path] = self.m.path[path]
-    args.extend(['--paths', self.m.json.input(paths)])
-
-    properties = {}
-    # TODO(phajdan.jr): Remove buildnumber when no longer used.
-    for name in ('buildername', 'slavename', 'buildnumber'):
-      properties[name] = self.m.properties[name]
-    args.extend(['--properties', self.m.json.input(properties)])
-
-    return args
-
-  def get_compile_targets_for_scripts(self):
-    return self.m.python(
-        name='get compile targets for scripts',
-        script=self.m.path['checkout'].join(
-            'testing', 'scripts', 'get_compile_targets.py'),
-        args=[
-            '--output', self.m.json.output(),
-            '--',
-        ] + self.get_common_args_for_scripts(),
-        step_test_data=lambda: self.m.json.test_api.output({}))