Removed old rendering system

Removed old rendering system. Some parts may be left over, but they
won't affect testing.
1.10-R todo tag marks things to do with rendering.

src/main/java/appeng/block/qnb/BlockQuantumBase.java

@@ -30,7 +30,6 @@ import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 
 import appeng.block.AEBaseTileBlock;
-import appeng.client.render.blocks.RenderQNB;
 import appeng.core.features.AEFeature;
 import appeng.helpers.ICustomCollision;
 import appeng.tile.qnb.TileQuantumBridge;
@@ -78,10 +77,4 @@ public abstract class BlockQuantumBase extends AEBaseTileBlock implements ICusto
 		super.breakBlock( w, pos, state );
 	}
 
-	@Override
-	protected Class<? extends RenderQNB> getRenderer()
-	{
-		return RenderQNB.class;
-	}
-
 }