Remove workaround sleep delay for poweroff

Once openbmc/openbmc#1045 is merged, we would no longer need to
wait post power off.

Resolves openbmc/openbmc-test-automation#475

Change-Id: I80f44b31d0c9cd10e6ccff83c98055635ebcfa0d
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/test_basic_poweron.robot b/tests/test_basic_poweron.robot
index f8a75aa..051c964 100644
--- a/tests/test_basic_poweron.robot
+++ b/tests/test_basic_poweron.robot
@@ -38,11 +38,6 @@
     Initiate Host PowerOff
     Wait Until Keyword Succeeds  5 min  10 sec  Is OS Off
 
-    # Add delay to wait for mailbox to reset before powering on
-    # to minimize the watchdog reset error.
-    # TODO: openbmc/openbmc#1045
-    Sleep  30s
-
     Initiate Host Boot
     Wait Until Keyword Succeeds  10 min  10 sec  Is OS Starting