powerpc/64s/exception: remove unused BRANCH_TO_COMMON

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/kernel/exceptions-64s.S

@@ -224,20 +224,12 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
 	bctr
 
 #ifdef CONFIG_RELOCATABLE
-#define BRANCH_TO_COMMON(reg, label)					\
-	__LOAD_HANDLER(reg, label);					\
-	mtctr	reg;							\
-	bctr
-
 #define BRANCH_LINK_TO_FAR(label)					\
 	__LOAD_FAR_HANDLER(r12, label);					\
 	mtctr	r12;							\
 	bctrl
 
 #else
-#define BRANCH_TO_COMMON(reg, label)					\
-	b	label
-
 #define BRANCH_LINK_TO_FAR(label)					\
 	bl	label
 #endif