Tempest dependency breaking gate

[Sumit Naiksatam]

This is probably a transient issue while upper-constraint gets satisfied -
2016-04-01 23:07:37.565 | /tmp ~/workspace/gate-group-based-policy-python27
2016-04-01 23:07:37.565 | INFO:zuul.CloneMapper:Workspace path set to: /tmp
2016-04-01 23:07:37.565 | INFO:zuul.CloneMapper:Mapping projects to workspace...
2016-04-01 23:07:37.565 | INFO:zuul.CloneMapper: openstack/tempest -> /tmp/openstack/tempest
2016-04-01 23:07:37.565 | INFO:zuul.CloneMapper:Expansion completed.
2016-04-01 23:07:37.565 | INFO:zuul.Cloner:Preparing 1 repositories
2016-04-01 23:07:37.565 | INFO:zuul.Cloner:Creating repo openstack/tempest from cache file:///opt/git/openstack/tempest
2016-04-01 23:07:37.565 | INFO:zuul.Cloner:Updating origin remote in repo openstack/tempest to git://git.openstack.org/openstack/tempest
2016-04-01 23:07:37.565 | INFO:zuul.Cloner:upstream repo has branch master
2016-04-01 23:07:37.566 | INFO:zuul.Cloner:Falling back to branch master
2016-04-01 23:07:37.566 | INFO:zuul.Cloner:Prepared openstack/tempest repo with branch master at commit 534a8dc60dfef116156b8f9ee60071a9bf4e4f90
2016-04-01 23:07:37.566 | INFO:zuul.Cloner:Prepared all repositories
2016-04-01 23:07:37.566 | Ignoring dnspython3: markers u"python_version=='3.4'" don't match your environment
2016-04-01 23:07:37.566 | Obtaining file:///tmp/openstack/tempest
2016-04-01 23:07:37.566 | Could not satisfy constraints for 'tempest': installation from path or url cannot be constrained to a version

But since we don't depend on tempest, its probably good to remove this dependency which was recently added.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/300693

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/300693
Committed: https://git.openstack.org/cgit/openstack/group-based-policy/commit/?id=3547998d6148ea8ce8f2eb0ae79e47a44ba80c00
Submitter: Jenkins
Branch: master

commit 3547998d6148ea8ce8f2eb0ae79e47a44ba80c00
Author: Sumit Naiksatam <email address hidden>
Date: Fri Apr 1 16:22:43 2016 -0700

    Remove tempest repo install

    Since we don't use it.

    Change-Id: I6cc453e06271eabdb2692f8b37b959cf8fb240bd
    Closes-bug: 1565143