code cleanup - remove documentation on old node version error code and errno

Author: silkentrance

lib/tmp.js

@@ -604,22 +604,9 @@ function _isENOENT(error) {
  *   error.code {string}
  *   error.errno {string|number} any numerical value will be negated
  *
- * - Node >= 6.0 < 7.0:
- *   error.code {string}
- *   error.errno {number} negated
- *
- * - Node >= 4.0 < 6.0: introduces SystemError
- *   error.code {string}
- *   error.errno {number} negated
- *
- * - Node >= 0.10 < 4.0:
- *   error.code {number} negated
- *   error.errno n/a
- *
  * @private
  */
 function _isExpectedError(error, code, errno) {
-  // TODO stop handling old node behaviour
   return error.code === code || error.code === errno;
 }