Remove references to _.

snakeCase.js

@@ -5,20 +5,19 @@ import createCompounder from './_createCompounder.js';
  * [snake case](https://en.wikipedia.org/wiki/Snake_case).
  *
  * @static
- * @memberOf _
  * @since 3.0.0
  * @category String
  * @param {string} [string=''] The string to convert.
  * @returns {string} Returns the snake cased string.
  * @example
  *
- * _.snakeCase('Foo Bar');
+ * snakeCase('Foo Bar');
  * // => 'foo_bar'
  *
- * _.snakeCase('fooBar');
+ * snakeCase('fooBar');
  * // => 'foo_bar'
  *
- * _.snakeCase('--FOO-BAR--');
+ * snakeCase('--FOO-BAR--');
  * // => 'foo_bar'
  */
 const snakeCase = createCompounder((result, word, index) =>