feat: cleanup reposync conf files

- add feature to /etc/reposync/conf.d to ensure the subfiles are cleaned
  up when they are not defined

site/profiles/manifests/reposync/syncer.pp

@@ -14,10 +14,13 @@ class profiles::reposync::syncer {
     mode   => '0755',
   }
   file { '/etc/reposync/conf.d':
-    ensure => directory,
-    owner  => 'root',
-    group  => 'root',
-    mode   => '0755',
+    ensure  => directory,
+    owner   => 'root',
+    group   => 'root',
+    mode    => '0755',
+    purge   => true,
+    recurse => true,
+    force   => true,
   }
 
   # get a list of repos as a hash, and iterate through them