Removes british spelling of armor from armor_penetration vars (#30104)

* spelling

* manually rename last armour pen

* Update code/game/objects/obj_defense.dm

Co-authored-by: PollardTheDragon <144391971+PollardTheDragon@users.noreply.github.com>
Signed-off-by: kyunkyunkyun <120701975+kyunkyunkyun@users.noreply.github.com>

* Update code/modules/mob/living/simple_animal/hostile/megafauna/hierophant.dm

Co-authored-by: PollardTheDragon <144391971+PollardTheDragon@users.noreply.github.com>
Signed-off-by: kyunkyunkyun <120701975+kyunkyunkyun@users.noreply.github.com>

* Update goldgrub.dm

---------

Signed-off-by: kyunkyunkyun <120701975+kyunkyunkyun@users.noreply.github.com>
Co-authored-by: PollardTheDragon <144391971+PollardTheDragon@users.noreply.github.com>

code/modules/projectiles/projectile/bullets.dm

@@ -66,26 +66,26 @@
 
 /obj/item/projectile/bullet/armourpiercing
 	damage = 17
-	armour_penetration_flat = 10
+	armor_penetration_flat = 10
 
 /obj/item/projectile/bullet/armourpiercing/wt550
 	damage = 15
-	armour_penetration_percentage = 50
-	armour_penetration_flat = 25
+	armor_penetration_percentage = 50
+	armor_penetration_flat = 25
 
 /obj/item/projectile/bullet/pellet
 	name = "pellet"
 	damage = 12.5
 	tile_dropoff = 0.75
 	tile_dropoff_s = 1.25
-	armour_penetration_flat = -20
+	armor_penetration_flat = -20
 
 /obj/item/projectile/bullet/pellet/rubber
 	name = "rubber pellet"
 	damage = 3
 	stamina = 12.5
 	icon_state = "bullet-r"
-	armour_penetration_flat = -10
+	armor_penetration_flat = -10
 
 /obj/item/projectile/bullet/pellet/rubber/on_hit(atom/target, blocked = 0)
 	. = ..()
@@ -125,11 +125,11 @@
 
 /obj/item/projectile/bullet/midbullet3/hp
 	damage = 40
-	armour_penetration_flat = -40
+	armor_penetration_flat = -40
 
 /obj/item/projectile/bullet/midbullet3/ap
 	damage = 27
-	armour_penetration_flat = 40
+	armor_penetration_flat = 40
 
 /obj/item/projectile/bullet/midbullet3/fire
 	immolate = 1