notes.c: remove inappropriate call to return

Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Acked-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

notes.c

@@ -893,7 +893,7 @@ void remove_note(struct notes_tree *t, const unsigned char *object_sha1)
 	assert(t->initialized);
 	hashcpy(l.key_sha1, object_sha1);
 	hashclr(l.val_sha1);
-	return note_tree_remove(t, t->root, 0, &l);
+	note_tree_remove(t, t->root, 0, &l);
 }
 
 const unsigned char *get_note(struct notes_tree *t,