Fix left-click chiseling.

Remove chisel harvest levels. 
Both chisels in 1 ID

src/main/java/com/cricketcraft/chisel/proxy/ClientProxy.java

@@ -56,6 +56,7 @@ public class ClientProxy extends CommonProxy
         RenderingRegistry.registerEntityRenderingHandler(EntitySmashingRock.class, new RenderSnowball(ModItems.smashingRock));
 
         MinecraftForgeClient.registerItemRenderer(ModItems.chisel, renderer);
+        // TODO deprecated
         MinecraftForgeClient.registerItemRenderer(ModItems.diamondChisel, renderer);
     }
 }