Update nodemgmt-scripts.sh

nodemgmt-scripts.sh

@@ -208,7 +208,7 @@ case "$1" in
 		printf "%-${width}s- %s\n" "    -host {IP or FQDN}" "(required if type set to proxy)"
 		printf "%-${width}s- %s\n" "    -port {host port}" "(required if type set to proxy)"
 		echo "}"
-		exit 1;;
+		exit 1
 	fi 
 	exit 1
 	;;