Removes a few unused procs (#23470)

* Begone ye foul creature

* More scope increase

code/modules/mob/living/carbon/alien/alien_life.dm

@@ -26,9 +26,6 @@
 	breath.toxins -= toxins_used
 	breath.oxygen += toxins_used
 
-	//BREATH TEMPERATURE
-	handle_breath_temperature(breath)
-
 /mob/living/carbon/alien/handle_status_effects()
 	..()
 	//natural reduction of movement delay due to stun.

code/modules/mob/living/carbon/carbon_life.dm

@@ -100,7 +100,7 @@
 		if(ishuman(src) && !internal && environment.temperature < 273 && environment.return_pressure() > 20) //foggy breath :^)
 			new /obj/effect/frosty_breath(loc, src)
 
-//Third link in a breath chain, calls handle_breath_temperature()
+//Third and last link in a breath chain
 /mob/living/carbon/proc/check_breath(datum/gas_mixture/breath)
 	if(status_flags & GODMODE)
 		return FALSE
@@ -181,15 +181,8 @@
 			if(prob(20))
 				emote(pick("giggle","laugh"))
 
-	//BREATH TEMPERATURE
-	handle_breath_temperature(breath)
-
 	return TRUE
 
-//Fourth and final link in a breath chain
-/mob/living/carbon/proc/handle_breath_temperature(datum/gas_mixture/breath)
-	return
-
 /mob/living/carbon/proc/get_breath_from_internal(volume_needed)
 	if(internal)
 		if(internal.loc != src)

code/modules/projectiles/guns/medbeam.dm

@@ -105,9 +105,6 @@
 	qdel(dummy)
 	return TRUE
 
-/obj/item/gun/medbeam/proc/on_beam_hit(mob/living/target)
-	return
-
 /obj/item/gun/medbeam/proc/on_beam_tick(mob/living/target)
 	if(ishuman(target))
 		var/mob/living/carbon/human/H = target