arm: cpu.h: Remove unused typdefs

These CP accessor function prototypes are unused. Remove them.

Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index d63d9b2..8df0b6a 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -93,11 +93,6 @@
 #define ARM_CPU_VIRQ 2
 #define ARM_CPU_VFIQ 3
 
-typedef void ARMWriteCPFunc(void *opaque, int cp_info,
-                            int srcreg, int operand, uint32_t value);
-typedef uint32_t ARMReadCPFunc(void *opaque, int cp_info,
-                               int dstreg, int operand);
-
 struct arm_boot_info;
 
 #define NB_MMU_MODES 7