Ignore Delete dump for HW CI test code update

Note: Due to recent changes in BMC dump delete URI path, the robot
      test setup failed. For backward compatible, try BMC dump else
      ignore and continue.

Change-Id: I06adde34f9f1db1e2b195acc1fa257d7134b1da5
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/extended/redfish_bmc_code_update.robot b/redfish/extended/redfish_bmc_code_update.robot
index e507a47..ed6659b 100644
--- a/redfish/extended/redfish_bmc_code_update.robot
+++ b/redfish/extended/redfish_bmc_code_update.robot
@@ -70,7 +70,7 @@
 
     Redfish.Login
     # Delete BMC dump and Error logs.
-    Delete All BMC Dump
+    Run Keyword And Ignore Error  Delete All BMC Dump
     Run Keyword And Ignore Error  Redfish Purge Event Log
     # Checking for file existence.
     Valid File Path  IMAGE_FILE_PATH