Revert creation of new include files, which is hard to maintain with merge conflicts

Author: JKirsch1

articles/machine-learning/how-to-secure-online-endpoint.md

@@ -162,8 +162,6 @@ Because the workspace is configured to have a managed virtual network, any endpo
 
 [!INCLUDE [network isolation issues](includes/machine-learning-online-endpoint-troubleshooting.md)]
 
-[!INCLUDE [Managed online endpoint can't be resolved](includes/troubleshooting-resolve-endpoint-managed.md)]
-
 ## Related content
 
 - [Network isolation with managed online endpoints](concept-secure-online-endpoint.md)

articles/machine-learning/how-to-troubleshoot-online-endpoints.md

@@ -789,8 +789,6 @@ This section provides information about common network isolation issues.
 
 [!INCLUDE [network isolation issues](includes/machine-learning-online-endpoint-troubleshooting.md)]
 
-[!INCLUDE [Scoring endpoint can't be resolved](includes/troubleshooting-resolve-endpoint-kubernetes-managed.md)]
-
 ## Inference server issues
 
 This section provides basic troubleshooting tips for the [Azure Machine Learning inference HTTP server](how-to-inference-server-http.md).