safe to remove gets, now that's gone from cstdio too

src/include/stdio.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: stdio.h,v 1.48 2014/03/25 15:55:15 tedu Exp $	*/
+/*	$OpenBSD: stdio.h,v 1.49 2014/03/27 15:28:16 tedu Exp $	*/
 /*	$NetBSD: stdio.h,v 1.18 1996/04/25 18:29:21 jtc Exp $	*/
 
 /*-
@@ -246,7 +246,6 @@ ssize_t	 getdelim(char ** __restrict, size_t * __restrict, int,
 ssize_t	 getline(char ** __restrict, size_t * __restrict,
 	    FILE * __restrict);
 #endif
-char	*gets(char *);
 #if __BSD_VISIBLE && !defined(__SYS_ERRLIST)
 #define __SYS_ERRLIST