[mediaqueries] Remove issue about audio channels. Add issue about print backgrounds.

Author: tabatkins

mediaqueries/Overview.html

@@ -1866,12 +1866,10 @@ <h2 class="heading settled heading" data-level=10 id=assorted-issues><span class
 		and things that put it on the next page?
 	</div>
 
-	<div class=issue id=issue-d8b6d72e><a class=self-link href=#issue-d8b6d72e></a>
-		Feature for number of sound channels supported by the device?
-		<a href=http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2013-September/040884.html>This WHATWG thread</a>
-		states that some devices only support stereo,
-		as licensing costs for surround-sound codecs are higher,
-		and so being able to distinguish via the MQ APIs can help send the right audio/video to the user.
+	<div class=issue id=issue-215a190e><a class=self-link href=#issue-215a190e></a>
+		<a href=http://lists.w3.org/Archives/Public/www-style/2013Mar/0448.html>http://lists.w3.org/Archives/Public/www-style/2013Mar/0448.html</a>
+
+<p>		MQ for detecting if the device is willing to display/print backgrounds and other ink-hungry properties.
 	</div>
 
 <h2 class="no-num heading settled heading" id=changes><span class=content>
@@ -2234,11 +2232,9 @@ <h2 class="no-num heading settled" id=issues-index><span class=content>Issues In
 	</p><a href=#issue-1fdc4653> ↵ </a></div>
 
 	<div class=issue>
-		Feature for number of sound channels supported by the device?
-		<a href=http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2013-September/040884.html>This WHATWG thread</a>
-		states that some devices only support stereo,
-		as licensing costs for surround-sound codecs are higher,
-		and so being able to distinguish via the MQ APIs can help send the right audio/video to the user.
-	<a href=#issue-d8b6d72e> ↵ </a></div>
+		<a href=http://lists.w3.org/Archives/Public/www-style/2013Mar/0448.html>http://lists.w3.org/Archives/Public/www-style/2013Mar/0448.html</a>
+
+<p>		MQ for detecting if the device is willing to display/print backgrounds and other ink-hungry properties.
+	</p><a href=#issue-215a190e> ↵ </a></div>
 
 </div>

mediaqueries/Overview.src.html

@@ -1559,11 +1559,9 @@ <h2 id='assorted-issues'>
 	</div>
 
 	<div class='issue'>
-		Feature for number of sound channels supported by the device?
-		<a href="http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2013-September/040884.html">This WHATWG thread</a>
-		states that some devices only support stereo,
-		as licensing costs for surround-sound codecs are higher,
-		and so being able to distinguish via the MQ APIs can help send the right audio/video to the user.
+		<a href="http://lists.w3.org/Archives/Public/www-style/2013Mar/0448.html">http://lists.w3.org/Archives/Public/www-style/2013Mar/0448.html</a>
+
+		MQ for detecting if the device is willing to display/print backgrounds and other ink-hungry properties.
 	</div>
 
 <h2 id="changes" class="no-num">