Removes cortical borers. No, I am not sorry. (#18161)

* Removes cortical borers. No, I am not sorry.

* Icon purge

code/modules/antagonists/changeling/powers/lesserform.dm

@@ -13,9 +13,6 @@
 /datum/action/changeling/lesserform/sting_action(mob/living/carbon/human/user)
 	if(!user)
 		return FALSE
-	if(user.has_brain_worms())
-		to_chat(user, "<span class='warning'>We cannot perform this ability at the present time!</span>")
-		return FALSE
 
 	var/mob/living/carbon/human/H = user
 

code/modules/antagonists/changeling/powers/panacea.dm

@@ -13,14 +13,6 @@
 
 	to_chat(user, "<span class='notice'>We cleanse impurities from our form.</span>")
 
-	var/mob/living/simple_animal/borer/B = user.has_brain_worms()
-	if(B)
-		B.leave_host()
-		if(iscarbon(user))
-			var/mob/living/carbon/C = user
-			C.vomit(0)
-			to_chat(user, "<span class='notice'>We expel a parasite from our form.</span>")
-
 	var/obj/item/organ/internal/body_egg/egg = user.get_int_organ(/obj/item/organ/internal/body_egg)
 	if(egg)
 		egg.remove(user)

code/modules/antagonists/changeling/powers/swap_form.dm

@@ -25,9 +25,6 @@
 	if(ischangeling(target))
 		to_chat(user, "<span class='warning'>We are unable to swap forms with another changeling!</span>")
 		return FALSE
-	if(target.has_brain_worms() || user.has_brain_worms())
-		to_chat(user, "<span class='warning'>A foreign presence repels us from this body!</span>")
-		return FALSE
 	return TRUE
 
 /datum/action/changeling/swap_form/sting_action(mob/living/carbon/user)