More content refactoring (tests)

src/Umbraco.Core/Models/IContent.cs

@@ -33,11 +33,6 @@ namespace Umbraco.Core.Models
         /// </summary>
         DateTime? ExpireDate { get; set; }
 
-        /// <summary>
-        /// Id of the user who wrote/updated the Content
-        /// </summary>
-        int WriterId { get; set; }
-
         /// <summary>
         /// Gets the ContentType used by this content object
         /// </summary>
@@ -63,11 +58,6 @@ namespace Umbraco.Core.Models
         /// <param name="clearProperties">Boolean indicating whether to clear PropertyTypes upon change</param>
         void ChangeContentType(IContentType contentType, bool clearProperties);
 
-        /// <summary>
-        /// Changes the Published state of the content object
-        /// </summary>
-        void ChangePublishedState(PublishedState state);
-
         /// <summary>
         /// Creates a deep clone of the current entity with its identity/alias and it's property identities reset
         /// </summary>