code: function(doc, options) {
            ajax({
                type: "DELETE",
                url: this.uri +
                     encodeDocId(doc._id) +
                     encodeOptions({rev: doc._rev})
              },
              options,
              "The document could not be deleted"
            );
          }
docs: Deletes the specified document from the database. You must supply
  the current (latest) revision and <code>id</code> of the document
  to delete eg <code>removeDoc({_id:"mydoc", _rev: "1-2345"})</code>
  @see <a href="http://techzone.couchbase.com/sites/default/files/
  uploads/all/documentation/couchbase-api-dbdoc.html#couchbase-api
  -dbdoc_db-doc_delete">docs for DELETE /db/doc</a>
  @param {Object} doc Document to delete
  @param {ajaxSettings} options <a href="http://api.jquery.com/
  jQuery.ajax/#jQuery-ajax-settings">jQuery ajax settings</a>