Revert "Changing the node in testbed_sanity_nodec21_noMultiIntf_github_havana.py and testbed_sanity_nodec21_noMultiIntf_icehouse.py"

This reverts commit 2cc18952f186db5d359a81cc6b918ed57d73f997.

Change-Id: I34d33e63706d172dee50d8bf3dfafaa9ebf15af3
Merge "Revert "Changing the node in testbed_sanity_nodec21_noMultiIntf_github_havana.py and testbed_sanity_nodec21_noMultiIntf_icehouse.py""
Merge remote-tracking branch 'upstream/master'