Refactor machinery to default to being anchored

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

@@ -837,6 +837,7 @@ Pass a positive integer as an argument to override a bot's default speed.
 // Machinery to simplify topic and access calls
 /obj/machinery/bot_core
 	use_power = NO_POWER_USE
+	anchored = FALSE
 	var/mob/living/simple_animal/bot/owner = null
 
 /obj/machinery/bot_core/Initialize()

code/modules/mob/living/simple_animal/hostile/megafauna/colossus.dm

@@ -355,6 +355,7 @@ Difficulty: Very Hard
 	light_range = 8
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | ACID_PROOF
 	use_power = NO_POWER_USE
+	anchored = FALSE
 	density = TRUE
 	flags_1 = HEAR_1
 	var/activation_method