doc: status, remove leftover statement about '#' prefix

This hasn't been true since 2556b996 (status: disable display of '#'
comment prefix by default, 2013-09-06).

Signed-off-by: Dirk Wallenstein <halsmit@t-online.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/git-status.txt

@@ -97,7 +97,7 @@ configuration variable documented in linkgit:git-config[1].
 OUTPUT
 ------
 The output from this command is designed to be used as a commit
-template comment, and all the output lines are prefixed with '#'.
+template comment.
 The default, long format, is designed to be human readable,
 verbose and descriptive.  Its contents and format are subject to change
 at any time.