After the recent change, we started calling create_bridge_and_vms
no matter if it was requested by setting IRONIC_BAREMETAL_BASIC_OPS
to True or not. This breaks the ironicclient functional job that
does not need any vms created.
Change-Id: Iabd2794fc0aad2ca752e04d87d53f641f26e9ffb
Closes-bug: #1605194