Do not use SYS_ipc and SYS_socketcall

Do not use SYS_ipc and SYS_socketcall

* linux/dummy.h (sys_ipc, sys_socketcall): Remove redirections to
printargs.
* linux/ia64/syscallent.h: Likewise.
* linux/i386/syscallent.h: Remove native_scno initialization for "ipc"
and "socketcall".
* linux/syscall.h (sys_ipc, sys_socketcall): New prototypes.
(SYS_ipc, SYS_socketcall): Remove no longer used constants.
[IA64]: Remove undefining of ipc and socket SYS_* constants.
[SPARC || SPARC64]: Remove unused ipc SYS_* constants.
* ipc.c (sys_ipc): New function.
* sock.c (sys_socketcall): Likewise.
* syscall.c (trace_syscall_entering): Use sys_func to check for ipc and
socket subcalls.