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no-useless-removeEventListener
==============================
Reject calls to removeEventListener where ``{once: true}`` could be used instead.
Examples of incorrect code for this rule:
-----------------------------------------
.. code-block:: js
elt.addEventListener('click', function listener() {
elt.removeEventListener('click', listener);
});
Examples of correct code for this rule:
---------------------------------------
.. code-block:: js
elt.addEventListener('click', handler, {once: true});