Stop using absolute names for defined resource types

Since Puppet 4, names are always absolute. We already replaced usage of
absolute names for class inclusion, so can do the same for defined
resource types.

Change-Id: If34874f708e0e2ededb2fd2d044592116b722e1f

manifests/db/mysql.pp

@@ -42,7 +42,7 @@ class neutron::db::mysql (
 
   include neutron::deps
 
-  ::openstacklib::db::mysql { 'neutron':
+  openstacklib::db::mysql { 'neutron':
     user          => $user,
     password      => $password,
     dbname        => $dbname,

manifests/db/postgresql.pp

@@ -34,7 +34,7 @@ class neutron::db::postgresql(
 
   include neutron::deps
 
-  ::openstacklib::db::postgresql { 'neutron':
+  openstacklib::db::postgresql { 'neutron':
     password   => $password,
     dbname     => $dbname,
     user       => $user,

manifests/wsgi/apache.pp

@@ -162,7 +162,7 @@ class neutron::wsgi::apache (
 
   Anchor['neutron::install::end'] -> Class['apache']
 
-  ::openstacklib::wsgi::apache { 'neutron_wsgi':
+  openstacklib::wsgi::apache { 'neutron_wsgi':
     bind_host                   => $bind_host,
     bind_port                   => $port,
     group                       => $::neutron::params::group,