podman info: hide --debug

It's a NOP since Podman v2.0 (#5738).

[NO NEW TESTS NEEDED] - does not change behavior.

Fixes: #15185
Signed-off-by: Valentin Rothberg <vrothberg@redhat.com>

cmd/podman/system/info.go

@@ -63,6 +63,7 @@ func infoFlags(cmd *cobra.Command) {
 	flags := cmd.Flags()
 
 	flags.BoolVarP(&debug, "debug", "D", false, "Display additional debug information")
+	_ = flags.MarkHidden("debug") // It's a NOP since Podman version 2.0
 
 	formatFlagName := "format"
 	flags.StringVarP(&inFormat, formatFlagName, "f", "", "Change the output format to JSON or a Go template")

docs/source/markdown/podman-info.1.md

@@ -15,10 +15,6 @@ Displays information pertinent to the host, current storage stats, configured co
 
 ## OPTIONS
 
-#### **--debug**, **-D**
-
-Show additional information
-
 #### **--format**, **-f**=*format*
 
 Change output format to "json" or a Go template.