code: function filter( arr, str ) {
  	var len = arr.length,
  		out = [],
  		i;
  
  	for ( i = 0; i < len; i++ ) {
  		if ( arr[ i ] !== str ) {
  			out.push( arr[ i ] );
  		}
  	}
  	return out;
  }
docs: end FUNCTION contains() 
  FUNCTION: filter( arr, str )
  Removes a string from an array.
  
  @private
  @param {Array} arr - search array
  @param {String} str - search string
  @returns {Array} filtered array