Update csharp/src/Ice/Proxy.cs

Co-authored-by: Austin Henriksen <[email protected]>

csharp/src/Ice/Proxy.cs

@@ -248,7 +248,7 @@ Task<bool> ice_isAAsync(string id,
         /// Returns the Slice type IDs of the interfaces supported by the target object of this proxy.
         /// </summary>
         /// <param name="result">The asynchronous result object returned by <code>begin_ice_ids</code>.</param>
-        /// <returns>The Slice type IDs of the interfaces supported by the target object, in in alphabetical order.
+        /// <returns>The Slice type IDs of the interfaces supported by the target object, in alphabetical order.
         /// </returns>
         string[] end_ice_ids(AsyncResult result);