code: function (sKey, sPath) {
        if (!sKey || !this.hasItem(sKey)) { return false; }
        document.cookie = encodeURI(sKey) + '=; expires=Thu, 01 Jan 1970 00:00:00 GMT' + (sPath ? '; path=' + sPath : '');
        return true;
      }
docs: Delete a cookie
  
  ### Syntax
  
  Cookies.removeItem(name[, path])
  
  ### Example usage
  
  Cookies.removeItem('test1');
  Cookies.removeItem('test5', '/home');
  
  ### Parameters
  
  @param sKey - name - the name of the cookie to remove (string).
  @param sPath - path (optional) - e.g., "/", "/mydir"; if not specified, defaults to the current path of the current document location (string or null).
  @returns {boolean}