Remove commented code.

src/AutoRest.CSharp.V3/ClientModels/ClientBuilder.cs

@@ -201,7 +201,7 @@ namespace AutoRest.CSharp.V3.ClientModels
             if (pageable == null) return null;
 
             var nextLinkName = pageable.GetValue<string>("nextLinkName");
-            //TODO: This should actually reference an operation
+            //TODO: This should actually reference an operation: https://github.com/Azure/autorest.csharp/issues/397
             var operationName = pageable.GetValue<string>("operationName");
 
             var itemName = pageable.GetValue<string>("itemName");

src/AutoRest.CSharp.V3/ClientModels/ServiceClient.cs

@@ -17,7 +17,6 @@ namespace AutoRest.CSharp.V3.ClientModels
         public string Description { get; }
 
         public ClientMethod[] Methods { get; }
-        //public ClientPagingMethod[] PagingMethods { get; }
 
         public ServiceClientParameter[] Parameters { get; }
     }

src/AutoRest.CSharp.V3/Utilities/EnumerableExtensions.cs

@@ -61,10 +61,6 @@ namespace AutoRest.CSharp.V3.Utilities
             return resultList;
         }
 
-        //[return: MaybeNull]
-        //public static TValue GetValue<TValue, TKey>(this IDictionary<TKey, object>? dictionary, TKey key) where TKey : notnull =>
-        //    ((dictionary?.ContainsKey(key) ?? false) && dictionary![key] is TValue item) ? item : default;
-
         [return: MaybeNull]
         public static TValue GetValue<TValue>(this IDictionary<string, object>? dictionary, string key) =>
             ((dictionary?.ContainsKey(key) ?? false) && dictionary![key] is TValue item) ? item : default;