Adds CI to error on unnecessary variable modification (#29861)

* begin the burndown? (y/n)

* okay update requirements?

* change the error name

* there we go

* tweak

* first bit of the burndown

* more

* burndown complete

* return the exit code!

* review

* Revert "first bit of the burndown"

This reverts commit 34155bd991.

* fix

* fixes

* last fix

* remove deprecated avulto stuff

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

@@ -5,7 +5,6 @@
 	species_restricted = list("Monkey")
 	species_exception = list(/datum/species/monkey)
 
-	icon = 'icons/obj/clothing/under/misc.dmi'
 	sprite_sheets = list("Monkey" = 'icons/mob/clothing/under/misc.dmi')
 
 /mob/living/carbon/human/monkey/punpun/Initialize(mapload)

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

@@ -504,7 +504,6 @@
 /datum/action/innate/unstable_teleport
 	name = "Unstable Teleport"
 	check_flags = AB_CHECK_CONSCIOUS
-	button_overlay_icon = 'icons/mob/actions/actions.dmi'
 	var/activated = FALSE // To prevent spamming
 	var/cooldown = 150
 	var/last_teleport = 0

code/modules/mob/living/silicon/robot/robot_modules.dm

@@ -394,7 +394,6 @@
 	name = "plasma syringe cannon"
 	desc = "A syringe gun integrated into a medical cyborg's chassis. Fires heavy-duty plasma syringes tipped in poison."
 	icon_state = "rapidsyringegun"
-	throw_speed = 3
 	throw_range = 7
 	force = 4
 	fire_sound = 'sound/items/syringeproj.ogg'

code/modules/mob/living/simple_animal/hostile/hivebot.dm

@@ -54,10 +54,9 @@
 		return FALSE
 	do_sparks(3, 1, src)
 
-/mob/living/simple_animal/hostile/hivebot/tele//this still needs work
+/mob/living/simple_animal/hostile/hivebot/tele
 	name = "Beacon"
 	desc = "Some odd beacon thing."
-	icon = 'icons/mob/hivebot.dmi'
 	icon_state = "def_radar-off"
 	icon_living = "def_radar-off"
 	health = 200