Fix broken slug

Author: DinkoK

installation-and-upgrades/updating-assemblies-in-a-project.md

@@ -39,5 +39,4 @@ Now, you are ready to build and run your project with the downloaded version fro
 # See Also
 
 * [Download Product Files]({%slug winforms/installation-deployment-and-distribution/download-product-files%})
-* [How to Upgrade a Telerik UI for WinForms Project]({%slug how-to-upgrade-a-project%})
-* [How to Upgrade Trial to Licensed Version]({%slug upgrade-trial-to-licensed-version%})
+* [How to Upgrade a Telerik UI for WinForms Project]({%slug how-to-upgrade-a-project%})