Removing excess div closing tag in Audio.html

docs/api/audio/Audio.html

@@ -65,7 +65,6 @@
 		<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:Boolean hasPlaybackControl]</h3>
 		<div>Whether playback can be controlled using the [page:Audio.play play](),