fix "Lua Debug" problem with item removal detection
fix "Lua Debug" problem with item removal detection

mods can send a message in the log to trigger us to remove an item.
we had an inconsistency with our handling of the "Lua Debug:" prefix

Zamiell/RebirthItemTracker,sillypears/RebirthItemTracker,Hyphen-ated/RebirthItemTracker,Hyphen-ated/RebirthItemTrackerTest