code: function removeOne(array, item) {
      var found = array.indexOf(item);
      if (found > -1) {
          array.splice(found, 1);
      }
  }
docs: Removes the first occurrance of the passed item from the passed array
  
  @param {Array} array list remove the item from
  @param {Any}   item  item to be removed from the list
  @memberOf array