Update overview-diagnostics.md

Removing duplicated content

Author: yunjchoi

articles/app-service/overview-diagnostics.md

@@ -88,7 +88,7 @@ Diagnostics Tools include more advanced diagnostic tools that help you investiga
 
 ### Proactive CPU monitoring
 
-Proactive CPU monitoring provides you an easy, proactive way to take an action when your app or child process for your app is consuming high CPU resources. You can set your own CPU threshold rules to temporarily mitigate a high CPU issue until the real cause for the unexpected issue is found. For more information, see [Mitigate your CPU problems before they happen](https://azure.github.io/AppService/2019/10/07/Mitigate-your-CPU-problems-before-they-even-happen.html).Proactive CPU monitoring provides you an easy, proactive way to take an action when your app or child process for your app is consuming high CPU resources. You can set your own CPU threshold rules to temporarily mitigate a high CPU issue until the real cause for the unexpected issue is found.
+Proactive CPU monitoring provides you an easy, proactive way to take an action when your app or child process for your app is consuming high CPU resources. You can set your own CPU threshold rules to temporarily mitigate a high CPU issue until the real cause for the unexpected issue is found. For more information, see [Mitigate your CPU problems before they happen](https://azure.github.io/AppService/2019/10/07/Mitigate-your-CPU-problems-before-they-even-happen.html).
 
 ![Proactive CPU monitoring](./media/app-service-diagnostics/proactive-cpu-monitoring-9.png)