Unset priority for dependencies repo

The right repos dependencies is:

- delorean repo should have highest priority (1)
- deps repo should have same priority as base and the rest

This should fix issue with dependencies when installing qemu-kvm-ev 2.6

Change-Id: Ib7010afe87d5d9eff5d57b06b364e41ad24d3588

manifests/repos.pp

@@ -34,7 +34,6 @@ class openstack_integration::repos {
             'baseurl'  => 'http://buildlogs.centos.org/centos/7/cloud/x86_64/openstack-ocata',
             'descr'    => 'Ocata delorean-deps',
             'gpgcheck' => 'no',
-            'priority' => 2,
           },
         },
       }