Update how-to-train-model.md

Author: sdgilley

articles/machine-learning/v1/how-to-train-model.md

@@ -1,5 +1,5 @@
 ---
-title: Train models with the Azure Machine Learning Python SDK (v1) (preview)
+title: Train models with the Azure Machine Learning Python SDK (v1)
 titleSuffix: Azure Machine Learning
 description: Add compute resources (compute targets) to your workspace to use for machine learning training and inference with SDK v1.
 services: machine-learning