Remove redundant parsers

* desc.c (sys_dup): Remove.
* file.c (sys_pivotroot, sys_rmdir, sys_fchdir, sys_chroot, sys_fchroot,
sys_unlink, sys_symlink, sys_rename): Remove.
* linux/syscall.h (sys_chroot, sys_dup, sys_fchdir, sys_pivotroot,
sys_rename, sys_rmdir, sys_symlink, sys_unlink): Remove.
* linux/dummy.h: Add aliases for sys_chroot, sys_dup, sys_pivotroot,
sys_rename, sys_rmdir, sys_symlink, sys_unlink.
* pathtrace.c (pathtrace_match): Update.
* sunos4/dummy.h: Add aliases for sys_chroot, sys_dup, sys_fchdir,
sys_fchroot, sys_rename, sys_rmdir, sys_symlink, sys_unlink.
* svr4/dummy.h: Likewise.
* sunos4/syscall.h (sys_chroot, sys_dup, sys_fchdir, sys_fchroot,
sys_rename, sys_rmdir, sys_symlink, sys_unlink): Remove.
* svr4/syscall.h (sys_chroot, sys_dup, sys_fchdir, sys_fchroot,
sys_rename, sys_rmdir, sys_symlink, sys_unlink): Remove.
9 files changed