bash: remove redundant check for 'git stash apply' options

It will never trigger anyway because of the first check, and even if it
would, it would not offer the command line option.

Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
Acked-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/completion/git-completion.bash

@@ -1439,7 +1439,7 @@ _git_stash ()
 		apply,--*)
 			__gitcomp "--index"
 			;;
-		show,--*|apply,--*|drop,--*|pop,--*|branch,--*)
+		show,--*|drop,--*|pop,--*|branch,--*)
 			COMPREPLY=()
 			;;
 		show,*|apply,*|drop,*|pop,*|branch,*)