* grub-core/kern/emu/error.c: Removed.

* grub-core/Makefile.core.def (kernel): Don't add error.c and progname.c
	explicitly as it's already in libgnu.a.

grub-core/Makefile.core.def

@@ -238,8 +238,6 @@ kernel = {
   arm = kern/arm/misc.S;
 
   emu = disk/host.c;
-  emu = gnulib/progname.c;
-  emu = kern/emu/error.c;
   emu = kern/emu/cache_s.S;
   emu = kern/emu/hostdisk.c;
   emu = osdep/unix/hostdisk.c;

grub-core/kern/emu/error.c

@@ -1,2 +0,0 @@
-#include <config-util.h>
-#include "../../gnulib/error.c"