optimizations, unnecessary crap, undocumented ipc change

code/__DEFINES/components.dm

@@ -275,8 +275,6 @@
 #define COMSIG_TURF_MAKE_DRY "make_turf_try"						//(max_strength, immediate, duration_decrease = INFINITY): Returns bool.
 #define COMSIG_COMPONENT_CLEAN_ACT "clean_act"					//called on an object to clean it of cleanables. Usualy with soap: (num/strength)
 
-//Blood color
-#define COMSIG_BLOOD_COLOR "blood_DNA_to_color"	//RGB blood stuff
 //Food
 #define COMSIG_FOOD_EATEN "food_eaten"		//from base of obj/item/reagent_containers/food/snacks/attack(): (mob/living/eater, mob/feeder)
 

code/_globalvars/lists/mobs.dm

@@ -91,13 +91,7 @@ GLOBAL_LIST_INIT(all_types_bloods,list(
 		"BUG"
 		))
 
-GLOBAL_LIST_INIT(blood_types, list(
-		"blood",
-		"jellyblood"
+GLOBAL_LIST_INIT(blood_reagent_types, list(
+		/datum/reagent/blood,
+		/datum/reagent/blood/jellyblood
 		))
-
-GLOBAL_LIST_INIT(blood_id_types, list(
-		"blood" = /datum/reagent/blood,
-		"jellyblood" = /datum/reagent/blood/jellyblood
-		))
-

code/game/atoms.dm

@@ -505,9 +505,8 @@
 	return final_rgb
 
 /atom/proc/clean_blood()
-	if(islist(blood_DNA))
-		blood_DNA = null
-		return TRUE
+	. = blood_DNA? TRUE : FALSE
+	blood_dna = null
 
 /atom/proc/wash_cream()
 	return TRUE

code/game/machinery/suit_storage_unit.dm

@@ -266,7 +266,7 @@
 			for(var/atom/movable/AM in things_to_clear) //Scorches away blood and forensic evidence, although the SSU itself is unaffected
 				SEND_SIGNAL(AM, COMSIG_COMPONENT_CLEAN_ACT, CLEAN_STRONG)
 				AM.clean_blood()
-				AM.fingerprints = list()
+				AM.fingerprints = null
 				var/datum/component/radioactive/contamination = AM.GetComponent(/datum/component/radioactive)
 				if(contamination)
 					qdel(contamination)

code/modules/surgery/organs/heart.dm

@@ -220,21 +220,12 @@ obj/item/organ/heart/cybernetic/upgraded/on_life()
 	addtimer(VARSET_CALLBACK(src, dose_available, TRUE), 5 MINUTES)
 	ramount = 0
 
-
-
 /obj/item/organ/heart/ipc
 	name = "IPC heart"
 	desc = "An electronic pump that regulates hydraulic functions, they have an auto-restart after EMPs."
 	icon_state = "heart-c"
 	organ_flags = ORGAN_SYNTHETIC
 
-/obj/item/organ/heart/ipc/emp_act()
-	. = ..()
-	if(. & EMP_PROTECT_SELF)
-		return
-	Stop()
-	addtimer(CALLBACK(src, .proc/Restart), 10)
-
 /obj/item/organ/heart/freedom
 	name = "heart of freedom"
 	desc = "This heart pumps with the passion to give... something freedom."