Refactor machinery to default to being anchored

code/game/objects/structures/manned_turret.dm

@@ -6,6 +6,7 @@
 	icon = 'icons/obj/turrets.dmi'
 	icon_state = "machinegun"
 	can_buckle = TRUE
+	anchored = FALSE
 	density = TRUE
 	max_integrity = 100
 	buckle_lying = FALSE

code/game/objects/structures/watercloset.dm

@@ -210,7 +210,6 @@
 	icon = 'icons/obj/watercloset.dmi'
 	icon_state = "shower"
 	density = FALSE
-	anchored = TRUE
 	use_power = NO_POWER_USE
 	var/on = FALSE
 	var/obj/effect/mist/mymist = null