Update Markdown Helper to write json files for tables and yaml

Helpers/HelperMarkdown.cs

@@ -1311,12 +1311,6 @@ internal static partial class HelperMarkdown
                 continue;
             WriteBlocks(logger, input, markdownFile, fileName, blocks.AsReadOnly());
         }
-        string[] files = Directory.GetFiles(input.Destination, "*.json", SearchOption.TopDirectoryOnly);
-        foreach (string file in files)
-        {
-            if (!fileNames.Contains(file))
-                File.Delete(file);
-        }
     }
 
     private static ReadOnlyCollection<Table> GetTables(string[] lines)