Remove references to _.

flip.js

@@ -7,15 +7,14 @@ const WRAP_FLIP_FLAG = 512;
  * Creates a function that invokes `func` with arguments reversed.
  *
  * @static
- * @memberOf _
  * @since 4.0.0
  * @category Function
  * @param {Function} func The function to flip arguments for.
  * @returns {Function} Returns the new flipped function.
  * @example
  *
- * var flipped = _.flip(function() {
- *   return _.toArray(arguments);
+ * var flipped = flip(function() {
+ *   return toArray(arguments);
  * });
  *
  * flipped('a', 'b', 'c', 'd');