Remove deprecated cli flags

Signed-off-by: Antonio Murdaca <runcom@redhat.com>
Upstream-commit: 7929888214741c4ab194c44e0b14ac08aca06556
Component: engine

components/engine/docker/docker.go

@@ -57,8 +57,6 @@ func main() {
 		return
 	}
 
-	// TODO: remove once `-d` is retired
-	handleGlobalDaemonFlag()
 	clientCli := client.NewDockerCli(stdin, stdout, stderr, clientFlags)
 
 	c := cli.New(clientCli, daemonCli)