.editorconfig Cleanup for cs1711 (#1951)

* Cleanup warning

* Add comment about resolved compiler warnings

* Also remove CS1711 issue for Kusto

src/Microsoft.SqlTools.ServiceLayer/Utility/TaskExtensions.cs

@@ -119,7 +119,6 @@ namespace Microsoft.SqlTools.ServiceLayer.Utility
         /// <summary>
         /// This will enforce time out to run an async task without returning result
         /// </summary>
-        /// <typeparam name="TResult"></typeparam>
         /// <param name="task">The async task to run</param>
         /// <param name="timeout">Time out in milliseconds</param>
         /// <returns></returns>