don't despawn pillager, evoker and witch

mods/ENTITIES/mobs_mc/pillager.lua

@@ -28,6 +28,7 @@ pillager = {
 	shoot_interval = 3,
 	shoot_offset = 1.5,
 	armor = {fleshy = 100},
+	can_despawn = false,
 	collisionbox = {-0.3, -0.01, -0.3, 0.3, 1.98, 0.3},
 	pathfinding = 1,
 	group_attack = true,

mods/ENTITIES/mobs_mc/villager_evoker.lua

@@ -15,6 +15,7 @@ mcl_mobs:register_mob("mobs_mc:evoker", {
 	description = S("Evoker"),
 	type = "monster",
 	spawn_class = "hostile",
+	can_despawn = false,
 	physical = true,
 	pathfinding = 1,
 	hp_min = 24,

mods/ENTITIES/mobs_mc/witch.lua

@@ -16,6 +16,7 @@ mcl_mobs:register_mob("mobs_mc:witch", {
 	description = S("Witch"),
 	type = "monster",
 	spawn_class = "hostile",
+	can_despawn = false,
 	hp_min = 26,
 	hp_max = 26,
 	xp_min = 5,