[mediaqueries] Move monochrome resolution issue to the 'future MQs we'll need' section.

Author: tabatkins

mediaqueries/Overview.bs

@@ -1033,9 +1033,6 @@ resolution</h3>
 	(the resolution for printing dots of arbitrary color).
 	Printers might have a different resolution for grayscale printing.
 
-	<p class="issue">
-		Another media feature should probably be added to deal with the type of resolution authors want to know to deal with monochrome printing.
-
 	<div class='example'>
 		This media query simply detects “high-resolution” screens
 		(those with a hardware pixel to CSS ''px'' ratio of at least 2):
@@ -1811,6 +1808,9 @@ Assorted Issues</h2>
 		MQ for detecting if the device is willing to display/print backgrounds and other ink-hungry properties.
 	</div>
 
+	<p class="issue">
+		Another media feature should probably be added to deal with the type of resolution authors want to know to deal with monochrome printing.
+
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