tree e52231782173b0d4c15eaf500ea6615fbfb67151
parent 0b6e79c8e0c6d37ed882bee7dd710c21edd66946
author Sean Dague <sean@dague.net> 1454433779 -0500
committer Sean Dague <sean@dague.net> 1454433779 -0500

don't explicitly delete security group rules

security group rules will get deleted when the security group is
deleted. Doing deletes ourselves in tempest adds complexity, pushes
load at neutron, and slows things down for not particularly
interesting reason.

Change-Id: I6bac772d8e50f6e7174b267dbf55670b6bf891d7