Fix duplication

extensions/BlogPostFilter.php

@@ -29,16 +29,4 @@ class BlogPostFilter extends DataExtension {
 
 	}
 
-	/**
-	 * This is a fix so that when we try to fetch subclasses of BlogPost,
-	 * lazy loading includes the BlogPost table in its query. Leaving this table out
-	 * means the default sort order column PublishDate causes an error.
-	**/
-	public function augmentLoadLazyFields(SQLQuery &$query, &$dataQuery, $parent) {
-
-		// Ensures that we're joining the BlogPost table which holds required db fields.
-		$dataQuery->innerJoin("BlogPost", "`SiteTree`.`ID` = `BlogPost`.`ID`");
-
-	}
-
 }