Append method extension removed

Author: luismts

src/ValidationRules/Extensions/Extensions.cs

@@ -80,22 +80,6 @@ public static IValidationRule<T> WithMessage<T>(this IValidationRule<T> rule, st
             return rule;
         }
 
-        /// <summary>
-        /// We can use Linq's Concat() method to concatanate elements of the two input sequences.
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <param name="array"></param>
-        /// <param name="item"></param>
-        /// <returns></returns>
-        public static T[] Append<T>(this T[] array, T item)
-        {
-            if (array == null)
-            {
-                return new T[] { item };
-            }
-            return array.Concat(new T[] { item }).ToArray();
-        }
-
         public static IValidationRule<T> WithMessage<T>(this IValidationRule<T> rule, Func<string> messageProvider)
         {
             var message = messageProvider();