completion: use __gitcomp_builtin in _git_status

The new completable options are --null and --show-stash.

Signed-off-by: Nguyễn Thái Ngọc Duy <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: pclouds

contrib/completion/git-completion.bash

@@ -2066,11 +2066,7 @@ _git_status ()
 		return
 		;;
 	--*)
-		__gitcomp "
-			--short --branch --porcelain --long --verbose
-			--untracked-files= --ignore-submodules= --ignored
-			--column= --no-column
-			"
+		__gitcomp_builtin status "--no-column"
 		return
 		;;
 	esac