Remove references to _.

capitalize.js

@@ -6,14 +6,13 @@ import upperFirst from './upperFirst.js';
  * to lower case.
  *
  * @static
- * @memberOf _
  * @since 3.0.0
  * @category String
  * @param {string} [string=''] The string to capitalize.
  * @returns {string} Returns the capitalized string.
  * @example
  *
- * _.capitalize('FRED');
+ * capitalize('FRED');
  * // => 'Fred'
  */
 function capitalize(string) {