Remove unused helper method (#215)

Author: Charles-Gagnon

src/Telemetry/TelemetryUtils.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License. See License.txt in the project root for license information.
 
-using System;
 using System.Collections.Generic;
 using Microsoft.Data.SqlClient;
 
@@ -19,16 +18,6 @@ public static void AddConnectionProps(this IDictionary<string, string> props, Sq
             props.Add(TelemetryPropertyName.ServerVersion.ToString(), conn.ServerVersion);
         }
 
-        /// <summary>
-        /// Adds common exception properties to the property bag for a telemetry event.
-        /// </summary>
-        /// <param name="props"></param>
-        /// <param name="ex">The exception to add properties of</param>
-        public static void AddExceptionProps(this IDictionary<string, string> props, Exception ex)
-        {
-            props.Add(TelemetryPropertyName.ExceptionType.ToString(), ex?.GetType().Name ?? "");
-        }
-
         /// <summary>
         /// Returns a dictionary with common connection properties for the specified connection.
         /// </summary>