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/misc/BlockSkyCompass.java

@@ -33,8 +33,6 @@ import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 
 import appeng.block.AEBaseTileBlock;
-import appeng.client.render.BaseBlockRender;
-import appeng.client.render.blocks.RenderBlockSkyCompass;
 import appeng.core.features.AEFeature;
 import appeng.helpers.ICustomCollision;
 import appeng.tile.misc.TileSkyCompass;
@@ -52,12 +50,6 @@ public class BlockSkyCompass extends AEBaseTileBlock implements ICustomCollision
 		this.setFeature( EnumSet.of( AEFeature.MeteoriteCompass ) );
 	}
 
-	@Override
-	protected Class<? extends BaseBlockRender> getRenderer()
-	{
-		return RenderBlockSkyCompass.class;
-	}
-
 	@Override
 	public boolean isValidOrientation( final World w, final BlockPos pos, final EnumFacing forward, final EnumFacing up )
 	{