Refactor machinery to default to being anchored

code/modules/mining/machine_processing.dm

@@ -17,7 +17,6 @@
 	icon = 'icons/obj/machines/mining_machines.dmi'
 	icon_state = "console"
 	density = TRUE
-	anchored = TRUE
 	var/obj/machinery/mineral/processing_unit/machine = null
 	var/machinedir = EAST
 	speed_process = TRUE
@@ -74,7 +73,6 @@
 	icon = 'icons/obj/machines/mining_machines.dmi'
 	icon_state = "furnace"
 	density = TRUE
-	anchored = TRUE
 	var/obj/machinery/mineral/CONSOLE = null
 	var/on = FALSE
 	var/selected_material = MAT_METAL