sync/atomic/asm_darwin_arm.s: remove atomic pointer functions, fix build.

Author: minux

src/sync/atomic/asm_darwin_arm.s

@@ -15,9 +15,6 @@ TEXT ·CompareAndSwapUint32(SB),NOSPLIT,$0
 TEXT ·CompareAndSwapUintptr(SB),NOSPLIT,$0
 	B ·CompareAndSwapUint32(SB)
 
-TEXT ·CompareAndSwapPointer(SB),NOSPLIT,$0
-	B ·CompareAndSwapUint32(SB)
-
 TEXT ·AddInt32(SB),NOSPLIT,$0
 	B ·AddUint32(SB)
 
@@ -36,9 +33,6 @@ TEXT ·SwapUint32(SB),NOSPLIT,$0
 TEXT ·SwapUintptr(SB),NOSPLIT,$0
 	B ·SwapUint32(SB)
 
-TEXT ·SwapPointer(SB),NOSPLIT,$0
-	B ·SwapUint32(SB)
-
 TEXT ·CompareAndSwapInt64(SB),NOSPLIT,$0
 	B ·CompareAndSwapUint64(SB)
 
@@ -103,6 +97,3 @@ TEXT ·StoreUint64(SB),NOSPLIT,$0
 
 TEXT ·StoreUintptr(SB),NOSPLIT,$0
 	B ·StoreUint32(SB)
-
-TEXT ·StorePointer(SB),NOSPLIT,$0
-	B ·StoreUint32(SB)