Deprecate "daemon" subcommand

The daemon is in a separate (dockerd) binary
since docker 1.12, so should no longer be
used.

This marks the command as deprecated, and
adds it to the deprecated features list.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: 4a2f7d8092
Component: cli

components/cli/daemon_unix.go

@@ -24,6 +24,7 @@ func newDaemonCommand() *cobra.Command {
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return runDaemon()
 		},
+		Deprecated: "and will be removed in Docker 1.16. Please run `dockerd` directly.",
 	}
 	cmd.SetHelpFunc(helpFunc)
 	return cmd