Removed unnecessary classes

modules/cms-kit/src/Volo.CmsKit.Common.Application/Volo/CmsKit/Contents/MarkdownContentFragment.cs

@@ -1,6 +0,0 @@
-namespace Volo.CmsKit.Contents;
-
-public class MarkdownContentFragment : ContentFragment
-{
-    public string Content { get; set; }
-}

modules/cms-kit/src/Volo.CmsKit.Common.Application/Volo/CmsKit/Contents/WidgetContentFragment.cs

@@ -1,17 +0,0 @@
-using System.Collections.Generic;
-
-namespace Volo.CmsKit.Contents;
-public class WidgetContentFragment : ContentFragment
-{
-    public string Name { get; }
-
-    public string ViewComponentName { get; set; }
-
-    public IDictionary<string, object> Properties { get; set; }
-
-    public WidgetContentFragment(string name)
-    {
-        Name = name;
-        Properties = new Dictionary<string, object>();
-    }
-}