Remove powering off post watchdog timedout test case

The powering off post system going for re-powering doesnt add
value or use case but causing inconsistent failure due to timing
of powering off.

Change-Id: I3d1ecec865220002fdb638253db2224e63067326
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/systems/eventlog/test_event_logging.robot b/redfish/systems/eventlog/test_event_logging.robot
index 0817ecd..04d6ddf 100644
--- a/redfish/systems/eventlog/test_event_logging.robot
+++ b/redfish/systems/eventlog/test_event_logging.robot
@@ -329,8 +329,6 @@
     Wait Until Keyword Succeeds  2 min  30 sec
     ...  Verify Watchdog EventLog Content
 
-    Redfish Power Off
-
 
 Verify Event Logs Capping
     [Documentation]  Verify event logs capping.