Minor refactors (#26305)

obj/on_log changed to atom/on_log. Boolean parameter in
No admin irc message now checked in client/Del instead of mob/Logout
Removed an empty New()
1 -> TRUE
removed a potential crash in mob/Login

code/game/objects/objs.dm

@@ -165,14 +165,6 @@
 /obj/proc/hide(h)
 	return
 
-//If a mob logouts/logins in side of an object you can use this proc
-/obj/proc/on_log()
-	..()
-	if(isobj(loc))
-		var/obj/Loc=loc
-		Loc.on_log()
-
-
 /obj/singularity_pull(S, current_size)
 	if(!anchored || current_size >= STAGE_FIVE)
 		step_towards(src,S)

code/game/objects/structures/morgue.dm

@@ -24,9 +24,6 @@
 	var/locked = 0
 	var/opendir = SOUTH
 
-/obj/structure/bodycontainer/New()
-	..()
-
 /obj/structure/bodycontainer/Destroy()
 	open()
 	if(connected)
@@ -34,7 +31,8 @@
 		connected = null
 	return ..()
 
-/obj/structure/bodycontainer/on_log()
+/obj/structure/bodycontainer/on_log(login)
+	..()
 	update_icon()
 
 /obj/structure/bodycontainer/update_icon()