Cleanup old puppet management of release-volumes.py

This script has been moved into management done by ansible and is
executing on mirror-update not afsdb01. Cleanup the unused dead code.

Change-Id: Idc1c10cc968eef5ec1aeece70bad7606a7607269

manifests/site.pp

@@ -502,7 +502,6 @@ node /^afsdb01\.open.*\.org$/ {
   class { 'openstack_project::server': }
 
   include openstack_project::afsdb
-  include openstack_project::afsrelease
 }
 
 # Node-OS: xenial

modules/openstack_project/manifests/afsrelease.pp

@@ -1,15 +0,0 @@
-# Release afs volumes
-class openstack_project::afsrelease (
-) {
-
-  # NOTE(ianw) 2020-02 : migrated to mirror-update and deployed via ansible now
-  #  https://review.opendev.org/706176
-  cron { 'release':
-    user        => 'root',
-    minute      => '*/5',
-    command     => '/usr/local/bin/release-volumes >>/var/log/release/release.log 2>&1',
-    environment => 'PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin',
-    ensure      => absent,
-  }
-
-}