Removed link to 404'd article

Author: Larry O'Brien

articles/machine-learning/how-to-label-images.md

@@ -122,4 +122,4 @@ When you're done labeling, select your name in the upper-right corner of the lab
 ## Next steps
 
 * Learn to [train image classification models in Azure](https://docs.microsoft.com/azure/machine-learning/tutorial-train-models-with-aml)
-* Read about [object detection using Azure and the "Faster R-CNN" technique](https://www.microsoft.com/developerblog/2017/10/24/bird-detection-with-azure-ml-workbench/)
+