[css-grid-1] Remove the lingering comment about clamping to the min-content from above, since we didn't need to do that clamp in the first place. w3c#3565

Author: tabatkins

css-grid-1/Overview.bs

@@ -4132,10 +4132,6 @@ Resolve Intrinsic Track Sizes</h3>
 					limited by the <a>max track sizing function</a>
 					(which could be the argument to a ''fit-content()'' track sizing function)
 					if that is <a lt="fixed sizing function">fixed</a>
-					<!-- ,
-					else by it's own <a>min-content contribution</a>
-					if the <a>max track sizing function</a>
-					is ''grid-template-columns/min-content'';-->
 					and ultimately floored by its <a>minimum contribution</a> (defined below).
 
 					Otherwise,