Revert "Adds more customization to robotic internal organs (#12994)" (#13065)

code/modules/mob/living/carbon/human/human_helpers.dm

@@ -122,10 +122,7 @@
 						if ("assisted")
 							I.mechassist()
 						if ("mechanical")
-							if (rlimb_data[name])
-								I.robotize(rlimb_data[name])
-							else
-								I.robotize()
+							I.robotize()
 						if ("removed")
 							qdel(I)
 

code/modules/mob/living/carbon/human/species/station/skrell/skrell.dm

@@ -94,8 +94,6 @@
 	zombie_type = SPECIES_ZOMBIE_SKRELL
 	bodyfall_sound = /decl/sound_category/bodyfall_skrell_sound
 
-	alterable_internal_organs = list(BP_HEART, BP_EYES, BP_LUNGS, BP_LIVER, BP_KIDNEYS, BP_STOMACH)
-
 /datum/species/skrell/handle_post_spawn(mob/living/carbon/human/H)
 	..()
 	H.set_psi_rank(PSI_COERCION, PSI_RANK_OPERANT)

code/modules/mob/living/carbon/human/species/station/unathi/unathi.dm

@@ -109,8 +109,6 @@
         BP_EYES =    /obj/item/organ/internal/eyes/unathi
     )
 
-	alterable_internal_organs = list(BP_HEART, BP_EYES, BP_LUNGS, BP_LIVER, BP_KIDNEYS, BP_STOMACH)
-
 	pain_emotes_with_pain_level = list(
 			list(/decl/emote/audible/wheeze, /decl/emote/audible/roar, /decl/emote/audible/bellow) = 80,
 			list(/decl/emote/audible/grunt, /decl/emote/audible/groan, /decl/emote/audible/wheeze, /decl/emote/audible/hiss) = 50,