specify node type correctly for new -src jobs

I did not specify node type, which made this a bare node job, but it
really needs to be a devstack node job.

Also remove redundant check job definition, we'll just use gate- for
check and gate queue.

Change-Id: Ib71e365ed497f7db2aeded9e4628ef20da604392
Merge "specify node type correctly for new -src jobs"