[POWERPC] Clean up unused ROUND_UP, NAME_OFFSET macros in arch/powerpc

Unused ROUND_UP, NAME_OFFSET macro cleanup
Signed-off-by: NMilind Arun Choudhary <milindchoudhary@gmail.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/kernel/sys_ppc32.c

@@ -53,10 +53,6 @@
 #include <asm/ppc-pci.h>
 #include <asm/syscalls.h>
 
-/* readdir & getdents */
-#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
-#define ROUND_UP(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
-
 struct old_linux_dirent32 {
 	u32		d_ino;
 	u32		d_offset;