Remove unneeded uses of NCurses WINDOW*
Remove unneeded uses of NCurses WINDOW*

intrflush and meta have a WINDOW* parameter that is documented as
always ignored.

alexherbo2/kakoune,casimir/kakoune,lenormf/kakoune,mawww/kakoune,casimir/kakoune,occivink/kakoune,mawww/kakoune,occivink/kakoune,jkonecny12/kakoune,lenormf/kakoune,alexherbo2/kakoune,danr/kakoune,jkonecny12/kakoune,lenormf/kakoune,jkonecny12/kakoune,mawww/kakoune,Somasis/kakoune,Somasis/kakoune,Somasis/kakoune,danr/kakoune,occivink/kakoune,occivink/kakoune,mawww/kakoune,casimir/kakoune,lenormf/kakoune,alexherbo2/kakoune,jkonecny12/kakoune,alexherbo2/kakoune,danr/kakoune,Somasis/kakoune,casimir/kakoune,danr/kakoune