Remove soulhook. Fix cloning with mind transfer. Fix drone join (#15002)

code/datums/mind.dm

@@ -119,6 +119,7 @@
 
 	if(active)
 		new_character.key = key		//now transfer the key to link the client to our new body
+	SEND_SIGNAL(src, COMSIG_MIND_TRANSER_TO, new_character)
 
 /datum/mind/proc/store_memory(new_text)
 	memory += "[new_text]<BR>"

code/datums/soullink.dm

@@ -164,52 +164,3 @@
 /datum/soullink/multisharer/replacementpool/sharerDies(gibbed, mob/living/sharer)
 	removeSoulsharer(sharer)
 
-
-////////////////
-// SOUL HOOK //
-////////////////
-// When the owner transitions from dead to alive or vice versa,
-// the linked atom is notified
-
-// Atoms that actually utilize this system are responsible for handling the GC cleanup themselves
-// Splashing the GC handling onto every atom would be a big old waste
-
-/datum/soullink/soulhook
-	var/atom/movable/otherend
-
-/datum/soullink/soulhook/Destroy()
-	if(otherend)
-		LAZYREMOVE(otherend.sharedSoulhooks, src)
-		otherend = null
-	return ..()
-
-/datum/soullink/soulhook/parseArgs(mob/living/owner, atom/movable/other)
-	if(!owner || !other)
-		return FALSE
-	soulowner = owner
-	otherend = other
-	LAZYADD(owner.ownedSoullinks, src)
-	LAZYADD(other.sharedSoulhooks, src)
-	return TRUE
-
-/datum/soullink/soulhook/ownerDies(gibbed, mob/living/owner)
-	if(otherend)
-		otherend.onSoullinkDeath(gibbed, owner)
-
-/datum/soullink/soulhook/ownerRevives(mob/living/owner)
-	if(otherend)
-		otherend.onSoullinkRevive(owner)
-
-// oops I'm butchering the application of this
-/datum/soullink/soulhook/removeSoulsharer(atom/movable/other)
-	if(otherend == other)
-		otherend = null
-		LAZYREMOVE(other.sharedSoulhooks, src)
-	qdel(src) // not much point in a soul link with one end out of the picture for good
-
-/atom/movable
-	var/list/sharedSoulhooks = null
-
-/atom/movable/proc/onSoullinkDeath(gibbed, mob/living/owner)
-
-/atom/movable/proc/onSoullinkRevive(mob/living/owner)