Remove rubber duck from BRW, RW and most weapon schemes for now
The duck is not liked by players.
Rubber duck needs a lot of rework. Before that happens, better remove it from
game modes for now. Players can always modify the weapon schemes, of course.
[patterns]
**.h = native
**.c = native
**.cpp = native
**.lua = native
**.txt = native
**.pas = native
**.inc = native
**.hs = native