remove unused variable, and added lumen cable.

parts/networking/PartLumenCableSmart.java

@@ -0,0 +1,12 @@
+package appeng.parts.networking;
+
+import net.minecraft.item.ItemStack;
+
+public class PartLumenCableSmart extends PartCableSmart
+{
+
+	public PartLumenCableSmart(ItemStack is) {
+		super( is );
+	}
+
+}