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Kill Everything

Make all the HL2 NPCs killable with bullets and anything else such as:
"Disarm" Combine Mines and Rollermines by shooting it.
Combine Helicopters, Gunships, Striders and Dropships can be taken down with bullets.
Floor and Ground Turrets can be killed with bullets.

This isnt a quite perfect addon as it might conflict with lots of addons as it will modify EntityFireBullets hook.
Such as L4D2 Weapon Upgrade by LemonCola3424.
Use "xdeka_enable" to Enable/Disable this addon.