grid block connected / disconnected texture

src/main/java/storagecraft/tile/TileGrid.java

@@ -1,14 +1,6 @@
 package storagecraft.tile;
 
-public class TileGrid extends TileSC implements IMachine {
-	@Override
-	public void onConnected(TileController controller) {
-	}
-
-	@Override
-	public void onDisconnected() {
-	}
-
+public class TileGrid extends TileMachine {
 	@Override
 	public int getEnergyUsage() {
 		return 10;