[autotest] Remove indirection in scheduler config.

We shouldn't encourage things to be named two different things in two
different places.

BUG=None
DEPLOY=scheduler
TEST=ran scheduler

Change-Id: I0cfac73f7c2dbc0130f0399d96feda257915cd34
Reviewed-on: https://chromium-review.googlesource.com/205720
Reviewed-by: Prashanth B <beeps@chromium.org>
Reviewed-by: Fang Deng <fdeng@chromium.org>
Tested-by: Alex Miller <milleral@chromium.org>
Reviewed-by: Alex Miller <milleral@chromium.org>
Commit-Queue: Alex Miller <milleral@chromium.org>
diff --git a/scheduler/status_server.py b/scheduler/status_server.py
index df51866..a91e8f1 100644
--- a/scheduler/status_server.py
+++ b/scheduler/status_server.py
@@ -44,7 +44,7 @@
 
     def _write_all_fields(self):
         self._write_line('Config values:')
-        for field in scheduler_config.SchedulerConfig.FIELDS:
+        for field, datatype in scheduler_config.SchedulerConfig.FIELDS:
             self._write_field(field, getattr(scheduler_config.config, field))
         self._write_line()