Removing files from tools/

I'd like to remove these files from tools/ if nobody needs them:

  build-and-install
  chop.c
  clean-build
  compile-all
  do-worldbuild
  dupsrcs.c
  fixheader
  heapanal.lisp
  inst-lisp
  mk-lisp
  mk-release
  rcsupdate.c
  sample-wrapper
  snapshot-update.lisp
  updates
  variant-lisp