photosynth component for traits and species (#17712)

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

@@ -1166,12 +1166,6 @@
 			take_overall_damage(1,1)
 		else //heal in the dark
 			heal_overall_damage(1,1)
-	if(species.photosynthesizing && nutrition < 1000)
-		var/light_amount = 0
-		if(isturf(loc))
-			var/turf/T = loc
-			light_amount = T.get_lumcount() / 10
-		adjust_nutrition(light_amount)
 	// nutrition decrease
 	if(nutrition <= 0 &&  species.shrinks && size_multiplier > RESIZE_TINY)
 		nutrition = 0.1

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

@@ -244,7 +244,6 @@
 	var/gluttonous											// Can eat some mobs. 1 for mice, 2 for monkeys, 3 for people.
 	var/soft_landing = FALSE								// Can fall down and land safely on small falls.
 
-	var/photosynthesizing = FALSE							// If we get nutrition from light or not.
 	var/shrinks = FALSE										// If we shrink when we have no nutrition. Not added but here for downstream's sake.
 	var/grows = FALSE										// Same as above but if we grow when >1000 nutrition.
 	var/crit_mod = 1										// Used for when we go unconscious. Used downstream.

code/modules/mob/living/carbon/human/species/station/traits/positive.dm

@@ -352,8 +352,8 @@
 	name = "Photosynthesis"
 	desc = "Your body is able to produce nutrition from being in light."
 	cost = 3
-	var_changes = list("photosynthesizing" = TRUE)
 	can_take = ORGANICS|SYNTHETICS //Synths actually use nutrition, just with a fancy covering.
+	added_component_path = /datum/component/photosynth
 
 /datum/trait/positive/rad_resistance
 	name = "Radiation Resistance"