Clear the useless code.

Author: wanghao1891

lib/mongoosastic.js

@@ -134,12 +134,6 @@ module.exports = function Mongoosastic(schema, options) {
         }
         var serialModel = serialize(this, mapping);
         // Remove the markdown syntax
-        /*if(this.es_description) {
-            serialModel.description = this.es_description;
-        }
-        if(this.es_comments) {
-            serialModel.comments = this.es_comments;
-        }*/
         _.forIn(schema.virtuals, function(value, key) {
             var regex = /^es_(.{0,})/;
             var result = regex.exec(key);