Fix some machines locking sometimes

nodes.lua

@@ -359,11 +359,3 @@ if industrialtest.mtgAvailable then
 		end
 	})
 end
-
--- Node callbacks
-minetest.register_on_placenode(function(pos,newNode)
-	local def=minetest.registered_nodes[newNode.name]
-	if def and def.groups and def.groups._industrialtest_hasPowerInput then
-		industrialtest.api.triggerNeighbours(pos)
-	end
-end)