sparc: remove some unused declarations and macros

* linux/syscall.h [SPARC || SPARC64] (sys_msgsys, sys_semsys,
sys_shmsys): Remove declarations.
[SPARC || SPARC64] (SYS_semsys_subcall, SYS_semsys_nsubcalls,
SYS_msgsys_subcall, SYS_msgsys_nsubcalls, SYS_shmsys_subcall,
SYS_shmsys_nsubcalls): Remove macros.
1 file changed