powerpc: Remove unused BITOP_LE_SWIZZLE macro

The BITOP_LE_SWIZZLE macro was used in the little-endian bitops functions
for powerpc.  But these functions were converted to generic bitops and
the BITOP_LE_SWIZZLE is not used anymore.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/include/asm/bitops.h

@@ -52,8 +52,6 @@
 #define smp_mb__before_clear_bit()	smp_mb()
 #define smp_mb__after_clear_bit()	smp_mb()
 
-#define BITOP_LE_SWIZZLE	((BITS_PER_LONG-1) & ~0x7)
-
 /* Macro for generating the ***_bits() functions */
 #define DEFINE_BITOP(fn, op, prefix, postfix)	\
 static __inline__ void fn(unsigned long mask,	\