Removed unused methods.

src/main/java/appeng/parts/AEBasePart.java

@@ -27,7 +27,6 @@ import java.util.Optional;
 import java.util.Random;
 
 import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableMap;
 
 import io.netty.buffer.ByteBuf;
 
@@ -524,11 +523,6 @@ public abstract class AEBasePart implements IPart, IGridProxyable, IActionHost,
 		return false;
 	}
 
-	protected ImmutableMap.Builder<String, String> propertiesForModel( EnumFacing facing )
-	{
-		return ImmutableMap.<String, String>builder().put( "color", getColor().name() );
-	}
-
 	public AEPartLocation getSide()
 	{
 		return this.side;