/atom New() => Initialize() [MDB IGNORE] (#8298)

* Find and replace argless atom New() to Initialize().

* Manual replacement of no-arg New() to Initialize().

* Manually replacing remaining New() overrides.

* Fixing linter issues with now-removed New() args.

* Tidying area init overrides.

* Porting Neb's atom subsystem.

* Trying to isolate init problems.

* Adjusting Init code post-test.

* Merging duplicate Initialize() procs.

* Merge resolution.

code/modules/modular_computers/NTNet/NTNet.dm

@@ -31,7 +31,7 @@ var/global/datum/ntnet/ntnet_global = new()
 /datum/ntnet/New()
 	if(ntnet_global && (ntnet_global != src))
 		ntnet_global = src // There can be only one.
-	if (SSatoms && SSatoms.initialized > INITIALIZATION_INSSATOMS)
+	if(SSatoms?.atom_init_stage > INITIALIZATION_INSSATOMS)
 		for(var/obj/machinery/ntnet_relay/R in machines)
 			relays.Add(R)
 			R.NTNet = src

code/modules/modular_computers/NTNet/NTNet_relay.dm

@@ -95,13 +95,10 @@
 			ntnet_global.add_log("Manual override: Network blacklist cleared.")
 			. = TRUE
 
-/obj/machinery/ntnet_relay/New()
-	..()
-	assign_uid()
-	default_apply_parts()
-
 /obj/machinery/ntnet_relay/Initialize()
 	. = ..()
+	assign_uid()
+	default_apply_parts()
 	if(ntnet_global)
 		ntnet_global.relays.Add(src)
 		NTNet = ntnet_global