[autotest] Remove experimental tests filter

BUG=None
TEST=None

Change-Id: I3771f4e1c525d98a516c193ec3ae15f66269af27
Reviewed-on: https://chromium-review.googlesource.com/508433
Commit-Ready: Allen Li <ayatane@chromium.org>
Tested-by: Allen Li <ayatane@chromium.org>
Reviewed-by: Allen Li <ayatane@chromium.org>

site_utils/test_runner_utils.py

diff --git a/site_utils/test_runner_utils.py b/site_utils/test_runner_utils.py
index 4548325..1eebcc7 100755
--- a/site_utils/test_runner_utils.py
+++ b/site_utils/test_runner_utils.py
@@ -522,8 +522,7 @@
         for suite, description in suites_and_descriptions:
             logging.info('Scheduling suite for %s...', description)
             ntests = suite.schedule(
-                    lambda log_entry, log_in_subdir=False: None,
-                    add_experimental=not no_experimental)
+                    lambda log_entry, log_in_subdir=False: None)
             logging.info('... scheduled %s job(s).', ntests)
 
     if not afe.get_jobs():