Disable MTU ping test check in system cleanup robot code
Disable MTU ping test check in system cleanup robot code

Due to different systems config out there, commenting out to
avoid failure during system clean up from robot code.

Change-Id: I850a63c4736ede9f2dd45502f5def1cc8bc9f5ca
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation