[mediaqueries] Also comment out the CSSOM section, which was just adding the CustomMediaQuery interface. Switch to WD in prep for publication.

Author: tabatkins

mediaqueries/Overview.bs

@@ -3,7 +3,7 @@ Title: Media Queries Level 4
 Group: csswg
 Shortname: mediaqueries
 Level: 4
-Status: ED
+Status: WD
 Work Status: Exploring
 ED: https://drafts.csswg.org/mediaqueries-4/
 TR: https://www.w3.org/TR/mediaqueries-4/
@@ -1930,9 +1930,9 @@ Assorted Issues</h2>
 ██    ██ ██    ██ ██    ██ ██     ██ ██     ██
  ██████   ██████   ██████   ███████  ██     ██
 -->
-
-<h3 id='custom-mq-cssom'>
-CSSOM</h3>
+<!--
+<h2 id='custom-mq-cssom'>
+CSSOM</h2>
 
 	The <a interface>CSSRule</a> interface is extended as follows:
 
@@ -1976,7 +1976,7 @@ CSSOM</h3>
 			The <a attribute>media</a> attribute must return a <a interface>MediaList</a> object
 			for the <<media-query-list>> specified with the associated rule.
 	</dl>
-
+-->
 <!--
 ████████  ████████ ████████  ████████  ████████  ██████     ███    ████████ ████████ ████████
 ██     ██ ██       ██     ██ ██     ██ ██       ██    ██   ██ ██      ██    ██       ██     ██