Merge pull request #3902 from Citadel-Station-13/upstream-merge-32546

[MIRROR] Refactor of base machinery a tiny bit more. DONE

code/game/machinery/_machinery.dm

@@ -112,8 +112,6 @@ Class Procs:
 	var/power_channel = EQUIP
 		//EQUIP,ENVIRON or LIGHT
 	var/list/component_parts = null //list of all the parts used to build it, if made from certain kinds of frames.
-	var/uid
-	var/global/gl_uid = 1
 	var/panel_open = FALSE
 	var/state_open = FALSE
 	var/critical_machine = FALSE //If this machine is critical to station operation and should have the area be excempted from power failures.
@@ -302,10 +300,6 @@ Class Procs:
 /obj/machinery/proc/RefreshParts() //Placeholder proc for machines that are built using frames.
 	return
 
-/obj/machinery/proc/assign_uid()
-	uid = gl_uid
-	gl_uid++
-
 /obj/machinery/proc/default_pry_open(obj/item/crowbar/C)
 	. = !(state_open || panel_open || is_operational() || (flags_1 & NODECONSTRUCT_1)) && istype(C)
 	if(.)