Porting further material datum features and improvements.

code/modules/mining/equipment/regenerative_core.dm

@@ -111,9 +111,6 @@
 		go_inert()
 	return ..()
 
-/obj/item/organ/regenerative_core/prepare_eat()
-	return null
-
 /*************************Legion core********************/
 /obj/item/organ/regenerative_core/legion
 	desc = "A strange rock that crackles with power. It can be used to heal completely, but it will rapidly decay into uselessness."

code/modules/mining/ores_coins.dm

@@ -17,7 +17,6 @@
 	var/points = 0 //How many points this ore gets you from the ore redemption machine
 	var/refined_type = null //What this ore defaults to being refined into
 	novariants = TRUE // Ore stacks handle their icon updates themselves to keep the illusion that there's more going
-	mats_per_stack = MINERAL_MATERIAL_AMOUNT
 	var/list/stack_overlays
 
 /obj/item/stack/ore/update_overlays()