Remove /opt/requirements from slave_common.pp

We don't appear to use /opt/requirements for anything now. Lets remove
it.

Change-Id: If7b2d07c35ae336ba251a36c9d52e8d603aea9b1
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

modules/openstack_project/manifests/slave_common.pp

@@ -5,13 +5,6 @@
 class openstack_project::slave_common(
   $sudo         = false,
 ){
-  vcsrepo { '/opt/requirements':
-    ensure   => latest,
-    provider => git,
-    revision => 'master',
-    source   => 'https://git.openstack.org/openstack/requirements',
-  }
-
   file { '/home/jenkins/.pydistutils.cfg':
     ensure  => present,
     owner   => 'jenkins',