NO-ISSUE: Cleanup

Cleanup the $REGISTRY_CREDS file created in the configure_host.sh file when cleaning up.

If not cleaned properly, there could be possible errors such as #1753

Author: pawanpinjarkar

host_cleanup.sh

@@ -83,3 +83,6 @@ sudo pkill -f oc.*proxy
 
 # Remove image-reg nfsshare
 sudo rm -rf /etc/exports.d/dev-scripts.exports /opt/dev-scripts/nfsshare
+
+# Remove the authfile created in configure host
+rm -f ${REGISTRY_CREDS}