x86 headers: remove duplicate pud_large() definition

Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/include/asm/pgtable.h

@@ -387,13 +387,6 @@ static inline unsigned long pages_to_mb(unsigned long npg)
 #define io_remap_pfn_range(vma, vaddr, pfn, size, prot)	\
 	remap_pfn_range(vma, vaddr, pfn, size, prot)
 
-#if PAGETABLE_LEVELS == 2
-static inline int pud_large(pud_t pud)
-{
-	return 0;
-}
-#endif
-
 #if PAGETABLE_LEVELS > 2
 static inline int pud_none(pud_t pud)
 {