Remove TODO file: it's eleven years old and completely outdated

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

TODO

@@ -1,32 +0,0 @@
--- new entries from wta
-* clone doesn't work; cloned processes can hang
-* partially done: finish up change_syscall using new setargs
-* do setargs for non-ia64
-* generate syscallent.h from the kernel sources (asm/unistd.h)
-* update linux/sparc syscall entries; Linux messed things up by overriding
-  all kinds of SunOS entries
-* synchronize linux/**/syscallent.h, number of arguments for a syscal isn't
-  consistent across different architectures
-
--- old entries from jrs
-attempt reopen of /proc file if we get EAGAIN from any /proc ioctl
-kill procs we error out of on svr4
-enclose "total x dents" in a comment
-declare gettimeofday and pread for solaris2
-update automatic remaking of autoconf targets
-I don't like run on last close, change it?
-parse long options?
-count signals too with -c
-treat attach, detach messages like signals
-add pread, pwrite to I/O dumping
-add system assist for qualifiers on svr4
-change printcall to getcaller and fix for linux and svr4
-fix fork hang for svr4 without pollable procfs
-print events on entry to and revents on exit from poll
-monitor procfs open and release the other child if the process wants to own it
-fix incorrect syscall number if exit without entry on svr4 without pr_syscall
-fix clean targets so config.h and config.status can be removed
-ignore faults which occur before exec
-look for more ioctls on solaris, used in nslookup for example
-consider adding backtrace support
-consider adding general purpose interpreter