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.
foreach(dir
British
Classic
Default
Default_es
Default_pl
Default_ru
Default_uk
HillBilly
Mobster
Pirate
Robot
Russian
Singer
Surfer
)
add_subdirectory(${dir})
endforeach(dir)