Make mobs that should be skittish, skittish

mods/ENTITIES/mobs_mc/chicken.lua

@@ -17,7 +17,7 @@ mobs:register_mob("mobs_mc:chicken", {
 	xp_min = 1,
 	xp_max = 3,
 	collisionbox = {-0.2, -0.01, -0.2, 0.2, 0.69, 0.2},
-	runaway = true,
+	skittish = true,
 	fall_slow = true,
 	floats = 1,
 	visual = "mesh",

mods/ENTITIES/mobs_mc/cow+mooshroom.lua

@@ -32,7 +32,7 @@ local cow_def = {
 		max = 2,
 		looting = "common",},
 	},
-	runaway = true,
+	skittish = true,
 	sounds = {
 		random = "mobs_mc_cow",
 		damage = "mobs_mc_cow_hurt",

mods/ENTITIES/mobs_mc/horse.lua

@@ -90,6 +90,7 @@ local horse = {
 	rotate = 270,
 	walk_velocity = 1,
 	run_velocity = 8,
+	skittish = true,
 	visual_size = {x=3.0, y=3.0},
 	collisionbox = {-0.69825, -0.01, -0.69825, 0.69825, 1.59, 0.69825},
 	animation = {

mods/ENTITIES/mobs_mc/pig.lua

@@ -5,7 +5,7 @@ local S = minetest.get_translator("mobs_mc")
 mobs:register_mob("mobs_mc:pig", {
 	type = "animal",
 	spawn_class = "passive",
-	runaway = true,
+	skittish = true,
 	rotate = 270,
 	hp_min = 10,
 	hp_max = 10,

mods/ENTITIES/mobs_mc/sheep.lua

@@ -62,6 +62,7 @@ mobs:register_mob("mobs_mc:sheep", {
 	hp_max = 8,
 	xp_min = 1,
 	xp_max = 3,
+	skittish = true,
 	collisionbox = {-0.45, -0.01, -0.45, 0.45, 1.29, 0.45},
 	rotate = 270,
 	visual = "mesh",