[armband] Cleanup Fraser jobs, sync with Fuel

[armband] Cleanup Fraser jobs, sync with Fuel

- retire Fraser stream;
- sync Dovetail jobs with Fuel jobs;
- retire virtual deployments (haven't been used in a long time, for
  manual testing, Fuel generic jobs can be triggered on ARM virtual
  pods if needed);
- s/gambia/hunter/g, but keep them disabled for now;
- use Fuel's job templates in Armband definitions;
- prepare for merging the Armband jobs with Fuel jobs;

Change-Id: I0b0a3106248603e510cd6e9646da267777ddc572
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>