[css-grid-1] Since auto minimum is clamped even in cases where it wouldn't trigger overflow, elide the informative text stating that purpose from the sentence describing the clamping. Requested by Oriol. #3705

Author: fantasai

css-grid-1/Overview.bs

@@ -1260,8 +1260,10 @@ Automatic Minimum Size of Grid Items</h3>
 	else its <a>content size suggestion</a>,
 	see below.
 	However,
+<!--
 	to prevent the <a>content-based minimum size</a>
 	from forcing overflow of its fixed-size grid area,
+-->
 	if in a given dimension
 	the <a>grid item</a> spans only <a>grid tracks</a>
 	that have a <a lt="fixed sizing function">fixed</a> <a>max track sizing function</a>,