Removing excess div closing tag in AudioListener.html

docs/api/audio/AudioListener.html

@@ -60,7 +60,6 @@
 		<h3>[property:GainNode gain]</h3>
 		<div>A [link:https://developer.mozilla.org/en-US/docs/Web/API/GainNode GainNode] created
 		using [link:https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/createGain AudioContext.createGain]().</div>
-		</div>
 
 		<h3>[property:AudioNode filter]</h3>
 		<div>Default is *null*.</div>