Remove last vestiges of nose
Remove last vestiges of nose

We don't use nose anymore, but it was still referenced in a few places.

Delete them.

Closes-Bug: 1210998
Change-Id: I5e00edd071b8e99e54cdbbf2de277aa95eb57567

openstack/networking-bigswitch,wolverineav/networking-bigswitch,stackforge/networking-bigswitch,wolverineav/networking-bigswitch,openstack/networking-bigswitch,stackforge/networking-bigswitch