revert metadata changes

formulas/compute/files/neutron_ovn_metadata_agent.ini

@@ -5,7 +5,7 @@ nova_metadata_protocol = https
 use_syslog = True
 ### Added this per https://bugs.launchpad.net/neutron/+bug/1893656
 ### and great feedback from redhat
-metadata_workers = 1
+metadata_workers = 2
 
 [AGENT]
 root_helper = sudo /usr/bin/neutron-rootwrap /etc/neutron/rootwrap.conf