Changes animate_movement to defines (#25670)

* Changes animate_movement to defines

* Oops

code/modules/mob/living/simple_animal/bot/mulebot.dm

@@ -12,7 +12,7 @@
 	icon_state = "mulebot0"
 	density = TRUE
 	move_resist = MOVE_FORCE_STRONG
-	animate_movement = 1
+	animate_movement = FORWARD_STEPS
 	health = 50
 	maxHealth = 50
 	damage_coeff = list(BRUTE = 0.5, BURN = 0.7, TOX = 0, CLONE = 0, STAMINA = 0, OXY = 0)

code/modules/mob/mob_vars.dm

@@ -1,7 +1,7 @@
 /mob
 	density = TRUE
 	layer = MOB_LAYER
-	animate_movement = 2
+	animate_movement = SLIDE_STEPS
 	pressure_resistance = 8
 	throwforce = 10
 	var/datum/mind/mind

code/modules/projectiles/projectile_base.dm

@@ -33,7 +33,7 @@
 	var/Angle = null
 	var/original_angle = null //Angle at firing
 	var/spread = 0			//amount (in degrees) of projectile spread
-	animate_movement = 0
+	animate_movement = NO_STEPS
 
 	var/ignore_source_check = FALSE