Revert "dynamic suites: Rename experimental jobs to 'experimental_'"

This reverts commit 3cf62bf719ec48f1eeeea4f94901d4d459c4ab14

This change has caused run_suite.py to format test names incorrectly in its reports and to create incorrect links to failure logs.

Change-Id: I1e43c1b04b8ab07287b9c357ab7d43bbc223097e
Reviewed-on: https://gerrit.chromium.org/gerrit/20015
Commit-Ready: Chris Masone <cmasone@chromium.org>
Reviewed-by: Chris Masone <cmasone@chromium.org>
Tested-by: Chris Masone <cmasone@chromium.org>
diff --git a/server/cros/dynamic_suite.py b/server/cros/dynamic_suite.py
index 15d923b..3e3dee4 100644
--- a/server/cros/dynamic_suite.py
+++ b/server/cros/dynamic_suite.py
@@ -713,8 +713,7 @@
         if add_experimental:
             # TODO(cmasone): ensure I can log results from these differently.
             for test in self.unstable_tests():
-                logging.debug('Scheduling experimental %s', test.name)
-                test.name = 'experimental_' + test.name
+                logging.debug('Scheduling %s', test.name)
                 self._jobs.append(self._create_job(test))
         if self._results_dir:
             self._record_scheduled_jobs()