[RFA] Remove set debug lin-lwp-async, new ui_file.to_write_async_safe

[Pedro Alves]

On Tuesday 10 May 2011 21:46:41, Doug Evans wrote:
> -  add_setshow_zinteger_cmd ("lin-lwp-async", class_maintenance,
> -                           &debug_linux_nat_async, _("\
> -Set debugging of GNU/Linux async lwp module."), _("\
> -Show debugging of GNU/Linux async lwp module."), _("\
> -Enables printf debugging output."),
> -                           NULL,
> -                           show_debug_linux_nat_async,
> -                           &setdebuglist, &showdebuglist);

BTW, don't forget to remove the documentation of the command
in the user manual as well.

-- 
Pedro Alves