Remove LDR_LOG2_PGSZ, ia64_pgtbl and ia64_pgtblsz. They are part of

a WIP and not used yet.

sys/boot/ia64/common/copy.c

@@ -32,11 +32,6 @@ __FBSDID("$FreeBSD$");
 
 #include "libia64.h"
 
-#define	LDR_LOG2_PGSZ	20
-
-uint64_t *ia64_pgtbl;
-uint32_t ia64_pgtblsz;
-
 static void *
 va2pa(vm_offset_t va, size_t *len)
 {

sys/boot/ia64/common/libia64.h

@@ -45,9 +45,6 @@ extern int ldr_enter(const char *);
  * and shared by all loader implementations.
  */
 
-extern uint64_t *ia64_pgtbl;
-extern uint32_t ia64_pgtblsz;
-
 extern int ia64_autoload(void);
 
 extern ssize_t ia64_copyin(const void *, vm_offset_t, size_t);