Revert "[MIRROR] Replace all secondary flags with bitflags stored in the flags_2 var" (#2457)

ok you know what yeah i think i'll properly mirror https://github.com/Citadel-Station-13/Citadel-Station-13/pull/2411

code/game/objects/structures/lattice.dm

@@ -14,7 +14,7 @@
 	/turf/closed/wall,
 	/obj/structure/falsewall)
 	smooth = SMOOTH_MORE
-	//	flags_1 = CONDUCT_1
+	//	flags = CONDUCT
 
 /obj/structure/lattice/Initialize(mapload)
 	. = ..()
@@ -40,7 +40,7 @@
 		return T.attackby(C, user) //hand this off to the turf instead (for building plating, catwalks, etc)
 
 /obj/structure/lattice/deconstruct(disassembled = TRUE)
-	if(!(flags_1 & NODECONSTRUCT_1))
+	if(!(flags & NODECONSTRUCT))
 		new /obj/item/stack/rods(get_turf(src), number_of_rods)
 	qdel(src)