tcp_wrappers: get rid of duplicate fgets declarations

This is declared in stdio.h, no need for this one.

contrib/tcp_wrappers/hosts_access.c

@@ -46,7 +46,6 @@ static char sccsid[] = "@(#) hosts_access.c 1.21 97/02/12 02:13:22";
 #endif
 #include <stdlib.h>
 
-extern char *fgets();
 extern int errno;
 
 #ifndef	INADDR_NONE

contrib/tcp_wrappers/misc.c

@@ -19,8 +19,6 @@ static char sccsic[] = "@(#) misc.c 1.2 96/02/11 17:01:29";
 
 #include "tcpd.h"
 
-extern char *fgets();
-
 #ifndef	INADDR_NONE
 #define	INADDR_NONE	(-1)		/* XXX should be 0xffffffff */
 #endif