The __this_cpu_ptr macro is no longer in use so drop it.

Signed-off-by: Christoph Lameter <cl@linux.com>

Index: linux/include/asm-generic/percpu.h
===================================================================
--- linux.orig/include/asm-generic/percpu.h	2013-12-18 13:41:37.359646058 -0600
+++ linux/include/asm-generic/percpu.h	2013-12-18 13:42:00.428902830 -0600
@@ -117,7 +117,4 @@ extern void setup_per_cpu_areas(void);
 #define PER_CPU_DEF_ATTRIBUTES
 #endif
 
-/* Keep until we have removed all uses of __this_cpu_ptr */
-#define __this_cpu_ptr raw_cpu_ptr
-
 #endif /* _ASM_GENERIC_PERCPU_H_ */