microblaze: page.h: Remove get_user_page and free_user_page

Remove ancient macros which are here from Linux-2.4

Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index 7b9ba8f..9b12902 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -70,11 +70,6 @@
 
 #endif /* CONFIG_MMU */
 
-#  ifndef CONFIG_MMU
-#  define get_user_page(vaddr)			__get_free_page(GFP_KERNEL)
-#  define free_user_page(page, addr)		free_page(addr)
-#  endif /* CONFIG_MMU */
-
 # define copy_page(to, from)			memcpy((to), (from), PAGE_SIZE)
 # define clear_page(pgaddr)			memset((pgaddr), 0, PAGE_SIZE)