Eliminate unneeded includes.

Reviewed by:		allanjude
Differential Revision:	https://reviews.freebsd.org/D4716

usr.sbin/fstyp/fstyp.c

@@ -39,7 +39,6 @@ __FBSDID("$FreeBSD$");
 #include <errno.h>
 #include <stdbool.h>
 #include <stddef.h>
-#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

usr.sbin/fstyp/geli.c

@@ -29,11 +29,9 @@ __FBSDID("$FreeBSD$");
 
 #include <sys/disk.h>
 #include <sys/types.h>
-#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 
 #include <geom/eli/g_eli.h>