Several dead code paths were also removed that are unable to be triggered by any event in the game - due to the spaghetti-style checks this hadn't been obvious before.
Also one more flag that handles the WT flamethrower's special case of not hurting any actors of the shooter's kind in a more generalized form
This not only matches its use in CON but seems to be used as a counter in most other places as well.
The main reason is to improve readability of CON to ZScript conversions.
