This tail refactor turned into an organ refactor. Funny how that works. (#67017)

* Fuck you (refactors ur tails)

* Errors

* Wow. Pain.

* Fixes up probably everything

* finish up here

* Fixes hard del maybe

* original owner hard del

* garbage collection runtime

* suck my peen byond

* Mapped tails

* motherfucker.

* motherrfucker. again.

* Whooopppppsie

* yeah bad idea

* Turns out external organs literally just sat in nullspace forever if their parent was deleted, and didnt Remove() themselves, causing harddels.

* So anyways I repathed all organs

* Fixes

* really.

* unit test... test

* unit test-test but it passes linters this time because im a moh-ron

* I've lost track of what im doing at this point

* Hopefully fixes hard del?

* meh

* Update code/datums/dna.dm

* things n stuff

* repath from master pull

code/game/objects/structures/icemoon/cave_entrance.dm

@@ -143,7 +143,7 @@ GLOBAL_LIST_INIT(ore_probability, list(
 		if(3)
 			new /obj/item/reagent_containers/glass/bottle/potion/flight(loc)
 		if(4)
-			new /obj/item/organ/heart/cursed/wizard(loc)
+			new /obj/item/organ/internal/heart/cursed/wizard(loc)
 		if(5)
 			new /obj/item/jacobs_ladder(loc)
 		if(6)