cleanup Sparc unused code

qemu/include/hw/sparc/sun4m.h

@@ -1,27 +0,0 @@
-#ifndef SUN4M_H
-#define SUN4M_H
-
-#include "qemu-common.h"
-#include "exec/hwaddr.h"
-#include "qapi/qmp/types.h"
-
-/* Devices used by sparc32 system.  */
-
-/* iommu.c */
-void sparc_iommu_memory_rw(void *opaque, hwaddr addr,
-                                 uint8_t *buf, int len, int is_write);
-static inline void sparc_iommu_memory_read(void *opaque,
-                                           hwaddr addr,
-                                           uint8_t *buf, int len)
-{
-    sparc_iommu_memory_rw(opaque, addr, buf, len, 0);
-}
-
-static inline void sparc_iommu_memory_write(void *opaque,
-                                            hwaddr addr,
-                                            uint8_t *buf, int len)
-{
-    sparc_iommu_memory_rw(opaque, addr, buf, len, 1);
-}
-
-#endif