Disabled crowbars only randomat by default as it is too difficult for traitors to win

Randomisation performance improvements and code cleanup

Updated randomat base

- Added convar to turn off yellow tint during 'Pistols at Dawn'
randomat_pistols_yellow_tint 0

- Made player outlines more visible during 'Pistols at Dawn'

Fixed pistols at dawn showing an overlapped alert message if triggered and the duel starts immediately

Fixed lua error with ping randomat trying to highlight a removed entity

Thanks to Noxx for this update!

The battle royale randomat events now feature a storm and shrinking battle zone!

Fixed rezzed players not coming back as chairs during 'Take a seat!'

Fixed shim still looking for old convar name

Boomerang weapon code cleanup