Fix keyboard readding keys
Fix keyboard readding keys

If you manually remove the key from the buffer and the key is still held,
it used to be readded to the buffer. This fixes it.

plinkopenguin/wiremod,CaptainPRICE/wire,bigdogmat/wire,rafradek/wire,dvdvideo1234/wire,sammyt291/wire,mitterdoo/wire,immibis/wiremod,notcake/wire,Grocel/wire,Python1320/wire,thegrb93/wire,NezzKryptic/Wire,wiremod/wire,garrysmodlua/wire,mms92/wire