[mediaqueries] Switch the TR link to http to make publication happy (until we switch to mandatory https next month :/ ).

Author: tabatkins

mediaqueries/Overview.bs

@@ -6,7 +6,7 @@ Level: 4
 Status: WD
 Work Status: Exploring
 ED: https://drafts.csswg.org/mediaqueries-4/
-TR: https://www.w3.org/TR/mediaqueries-4/
+TR: http://www.w3.org/TR/mediaqueries-4/
 Previous Version: http://www.w3.org/TR/2016/WD-mediaqueries-4-20160126/
 Editor: Florian Rivoal, Vivliostyle, florian@rivoal.net, http://vivliostyle.com, w3cid 43241
 Editor: Tab Atkins Jr., Google, http://xanthir.com/contact/, w3cid 42199