5043 remove deprecated atomic functions' prototypes

*** 25,36 ****
   */
  
  #ifndef _SYS_ATOMIC_H
  #define _SYS_ATOMIC_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #include <sys/types.h>
  #include <sys/inttypes.h>
  
  #ifdef  __cplusplus
  extern "C" {
--- 25,34 ----
*** 413,436 ****
  
  #if defined(__sparc)
  extern uint8_t ldstub(uint8_t *);
  #endif
  
- /*
-  * Legacy kernel interfaces; they will go away (eventually).
-  */
- extern uint8_t cas8(uint8_t *, uint8_t, uint8_t);
- extern uint32_t cas32(uint32_t *, uint32_t, uint32_t);
- extern uint64_t cas64(uint64_t *, uint64_t, uint64_t);
- extern ulong_t caslong(ulong_t *, ulong_t, ulong_t);
- extern void *casptr(void *, void *, void *);
- extern void atomic_and_long(ulong_t *, ulong_t);
- extern void atomic_or_long(ulong_t *, ulong_t);
- #if defined(__sparc)
- extern uint32_t swapl(uint32_t *, uint32_t);
- #endif
- 
  #endif  /* _KERNEL */
  
  #ifdef  __cplusplus
  }
  #endif
--- 411,420 ----