sdl2: Drop draw_ibutton() and draw_tibutton()
draw_ibutton() and draw_tibutton() seem completely unused in sdl2-client. the REdraw functions are always used (even those unused draw_ -functions call it)
draw_ibutton() and draw_tibutton() seem completely unused in sdl2-client. the REdraw functions are always used (even those unused draw_ -functions call it)