update models to use new ModelBase

Oqtane.Shared/Models/UserRole.cs

@@ -5,7 +5,7 @@ namespace Oqtane.Models
     /// <summary>
     /// Assigns a <see cref="Role"/> to a <see cref="User"/>
     /// </summary>
-    public class UserRole : IAuditable
+    public class UserRole : ModelBase
     {
         /// <summary>
         /// Id of this assignment
@@ -31,19 +31,6 @@ namespace Oqtane.Models
         /// </summary>
         public DateTime? ExpiryDate { get; set; }
 
-        #region IAuditable Properties
-
-        /// <inheritdoc/>
-        public string CreatedBy { get; set; }
-        /// <inheritdoc/>
-        public DateTime CreatedOn { get; set; }
-        /// <inheritdoc/>
-        public string ModifiedBy { get; set; }
-        /// <inheritdoc/>
-        public DateTime ModifiedOn { get; set; }
-
-        #endregion
-
         /// <summary>
         /// Direct reference to the <see cref="Role"/> object.
         /// TODO: todoc - is this always populated?