useOn fixes, and consumables

UseOn now won’t let you use a lighter on a dildo

new method in player to remove items from inventory(sneakily) when a
quest event uses them. The nazi flag shouldn’t stay in inventory after
you’ve used it to escape the nazis

useOn for RedditPost and TodayILearnedFlair completed, now works up
until redditDeath(), which we still have to do somewhere