Remove bash completion for docker swarm inspect

Signed-off-by: Harald Albers <github@albersweb.de>
(cherry picked from commit 34d9a82409)
Signed-off-by: Tibor Vass <tibor@docker.com>

contrib/completion/bash/docker

@@ -1817,7 +1817,6 @@ _docker_service_update() {
 _docker_swarm() {
 	local subcommands="
 		init
-		inspect
 		join
 		join-token
 		leave
@@ -1858,20 +1857,6 @@ _docker_swarm_init() {
 	esac
 }
 
-_docker_swarm_inspect() {
-	case "$prev" in
-		--format|-f)
-			return
-			;;
-	esac
-
-	case "$cur" in
-		-*)
-			COMPREPLY=( $( compgen -W "--format -f --help" -- "$cur" ) )
-			;;
-	esac
-}
-
 _docker_swarm_join() {
 	case "$prev" in
 		--token)