Remove TODO note about 'esc' key input delay
Remove TODO note about 'esc' key input delay

Turns out ncurses has a 1000 ms delay for 'esc' key by default. Can override via
set_escdelay() if needed. See links below for more info.

- http://invisible-island.net/ncurses/man/curs_threads.3x.html
- http://en.chys.info/2009/09/esdelay-ncurses/

beltex/dshb