Revert "rlz: experiment checking if more time helps failing guest mode test or not."

This reverts commit 18f2fd4bb569bac8e2bd9ef85cf6073d41d65321.

Reason for revert: 5 minutes did not work

Original change's description:
> rlz: experiment checking if more time helps failing guest mode test or not.
>
> This will be reverted after we get a few runs.
>
> BUG=None
> TEST=None
>
> Change-Id: I6035154ea95bf06100247fe375ced00838c1bd72
> Reviewed-on: https://chromium-review.googlesource.com/1345455
> Commit-Ready: David Haddock <dhaddock@chromium.org>
> Tested-by: David Haddock <dhaddock@chromium.org>
> Reviewed-by: Stephen Lin <stephenlin@google.com>

Bug: None
Change-Id: I9c65ab43dd7e1e4e09d2e68500211193a3273ff2
Reviewed-on: https://chromium-review.googlesource.com/1370631
Commit-Ready: David Haddock <dhaddock@chromium.org>
Tested-by: David Haddock <dhaddock@chromium.org>
Reviewed-by: David Haddock <dhaddock@chromium.org>
diff --git a/client/site_tests/desktopui_CheckRlzPingSent/desktopui_CheckRlzPingSent.py b/client/site_tests/desktopui_CheckRlzPingSent/desktopui_CheckRlzPingSent.py
index db861d4..1c030d7 100644
--- a/client/site_tests/desktopui_CheckRlzPingSent/desktopui_CheckRlzPingSent.py
+++ b/client/site_tests/desktopui_CheckRlzPingSent/desktopui_CheckRlzPingSent.py
@@ -43,11 +43,6 @@
         timeout_minutes = 2
         timeout = time.time() + 60 * timeout_minutes
 
-        # TODO(dhaddock): Remove after experiment.
-        extra_minutes = 5
-        extra_timeout = time.time() + 60 * extra_minutes
-        test_failed = False
-
         # Setup a keyboard emulator to open new tabs and type a search.
         with input_playback.InputPlayback() as player:
             player.emulate(input_type='keyboard')
@@ -64,17 +59,10 @@
                     break
                 else:
                     if time.time() > timeout:
-                        test_failed = True
-                    if time.time() > extra_timeout:
                         raise error.TestFail('RLZ ping did not send in %d '
-                                             'minutes.' % extra_minutes)
+                                             'minutes.' % timeout_minutes)
                     time.sleep(10)
 
-        if test_failed:
-            raise error.TestFail('Test did not send ping within %d mins but '
-                                 'did within %d minutes.' % (timeout_minutes,
-                                                             extra_timeout))
-
 
     def run_once(self, logged_in=True):
         """