pod create: restore help flag

It is not necessary to hide podman-pod-create's help flag.  Therefore,
partially revert commit 6751b2c350 to restore the help flag.

Signed-off-by: Valentin Rothberg <vrothberg@suse.com>

Closes: #1379
Approved by: rhatdan

cmd/podman/pod_create.go

@@ -71,7 +71,6 @@ var podCreateCommand = cli.Command{
 	Description:            podCreateDescription,
 	Flags:                  podCreateFlags,
 	Action:                 podCreateCmd,
-	HideHelp:               true,
 	SkipArgReorder:         true,
 	UseShortOptionHandling: true,
 	OnUsageError:           usageErrorHandler,
@@ -81,12 +80,6 @@ func podCreateCmd(c *cli.Context) error {
 	var options []libpod.PodCreateOption
 	var err error
 
-	// Docker-compatibility: the "-h" flag for run/create is reserved for
-	// the hostname (see https://github.com/containers/libpod/issues/1367).
-	if c.Bool("help") {
-		cli.ShowCommandHelpAndExit(c, "run", 0)
-	}
-
 	if err = validateFlags(c, createFlags); err != nil {
 		return err
 	}