tweak GUIs

src/main/java/appeng/container/implementations/ContainerInterface.java

@@ -97,12 +97,6 @@ public class ContainerInterface extends ContainerUpgradeable implements IOptiona
 		return myDuality.getInstalledUpgrades(Upgrades.PATTERN_EXPANSION) >= idx;
 	}
 
-	@Override
-	protected boolean supportCapacity()
-	{
-		return true;
-	}
-
 	@Override
 	public void detectAndSendChanges()
 	{

src/main/java/appeng/me/cluster/implementations/CraftingCPUCluster.java

@@ -25,6 +25,7 @@ import java.util.stream.Collectors;
 
 import appeng.api.config.Upgrades;
 import appeng.helpers.DualityInterface;
+import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
 
 import net.minecraft.inventory.InventoryCrafting;