Remove extra debugging for hostapd timeout

The cause for the logging issue is due to line buffering, so its
okay to remove this now.  This reverts
https://chromium-review.googlesource.com/208120

BUG=chromium:393667
TEST=network_WiFi_SimpleConnect

Change-Id: I8f8f8f3cf7ea90a1c733bc22e0660fd7ecbdc65a
Reviewed-on: https://chromium-review.googlesource.com/233186
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Commit-Queue: Paul Stewart <pstew@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>
diff --git a/server/site_linux_router.py b/server/site_linux_router.py
index 6532c56..0c98544 100644
--- a/server/site_linux_router.py
+++ b/server/site_linux_router.py
@@ -264,8 +264,6 @@
             if success:
                 break
 
-            # TODO(wiley) Remove this once we resolve crbug.com/393667
-            self.host.run('tail -1 %s' % log_file, ignore_status=True)
             # A common failure is an invalid router configuration.
             # Detect this and exit early if we see it.
             bad_config = self.router.run(