Comment out REMOTE_NOVA_BAREMETAL_CREDS setting
Comment out REMOTE_NOVA_BAREMETAL_CREDS setting

Fixes: bug #1216930

Change-Id: I4875aec282eb36eb04ba59847203eb522a507286

rdo-management/tuskar-ui,rdo-management/tuskar-ui,rdo-management/tuskar-ui,rdo-management/tuskar-ui