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 <[e-mail]>
Cc: Benjamin Herrenschmidt <[e-mail]>
Cc: Paul Mackerras <[e-mail]>
Cc: [e-mail]
Signed-off-by: Benjamin Herrenschmidt <[e-mail]>

arch/powerpc/include/asm/bitops.h

···
 #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,	\