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/decorative/solid/QuartzGlassBlock.java

@@ -27,12 +27,8 @@ import net.minecraft.util.BlockRenderLayer;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.IBlockAccess;
-import net.minecraftforge.fml.relauncher.Side;
-import net.minecraftforge.fml.relauncher.SideOnly;
 
 import appeng.block.AEBaseBlock;
-import appeng.client.render.BaseBlockRender;
-import appeng.client.render.blocks.RenderQuartzGlass;
 import appeng.core.features.AEFeature;
 import appeng.helpers.AEGlassMaterial;
 
@@ -53,13 +49,6 @@ public class QuartzGlassBlock extends AEBaseBlock
 		return BlockRenderLayer.CUTOUT;
 	}
 
-	@Override
-	@SideOnly( Side.CLIENT )
-	public Class<? extends BaseBlockRender> getRenderer()
-	{
-		return RenderQuartzGlass.class;
-	}
-
 	@Override
 	public boolean shouldSideBeRendered( final IBlockState state, final IBlockAccess w, final BlockPos pos, final EnumFacing side )
 	{

src/main/java/appeng/decorative/solid/QuartzOreBlock.java

@@ -36,8 +36,6 @@ import net.minecraftforge.oredict.OreDictionary;
 import appeng.api.AEApi;
 import appeng.api.exceptions.MissingDefinition;
 import appeng.block.AEBaseBlock;
-import appeng.client.render.BaseBlockRender;
-import appeng.client.render.blocks.RenderQuartzOre;
 import appeng.core.features.AEFeature;
 
 
@@ -64,12 +62,6 @@ public class QuartzOreBlock extends AEBaseBlock
 		return BlockRenderLayer.CUTOUT;
 	}
 
-	@Override
-	protected Class<? extends BaseBlockRender> getRenderer()
-	{
-		return RenderQuartzOre.class;
-	}
-
 	@Override
 	public void postInit()
 	{