Changed the buff to the PP19 floor weapon to simply be a damage buff, and buffed its damage further by default

- Big cleanup to bruh bunker code
- Bunker now removes HUD icon after the bunker triggers
- Bunker now triggers only for damage inflicted by another player
- Bunker no longer triggers for 0 damage like the jester shooting you
- All bunker alert messages are now translatable

Added a sound effect and HUD icon to the bruh bunker
Can be toggled off with:
ttt_tweaks_bruhbunker_sound_hud_icon 0

Removed mushroom tweaks

Added fixes for the weeping angel, jetpack and D.Va mech

Removed custom chat fix as it isn't necessary anymore

Fixed viper rifle missing its weapon icon

Added ttt_tweaks_force_off_notification_sound 1

Added ttt_tweaks_rmb_damage_reduction 0 to control whether vanilla traitors take less damage from the red matter bomb, and vanilla jesters are immune

Fixed viper rifle being held like a pistol and not having a draw animation