[css-grid] Kill issue about percentage sbeing like blocks - table magic is crazy.

Author: tabatkins

css-grid/Overview.html

@@ -1422,10 +1422,6 @@ <h3 id=track-sizing><span class=secno>5.1. </span> Track Sizing: the ‘<a
     max-content)</code>’.
   </dl>
 
-  <p class=issue> Handling of percentages inside indefinite-sized grid
-   containers is more similar to blocks/etc, rather than tables. (In tables,
-   they imply a table size through black magic.) Is that all right?
-
   <p> The <dfn id=grid-definition-none>none</dfn> value indicates that there
    is no initial grid; any rows/columns will be implicitly generated, and
    their size will be determined by the ‘<a href="#grid-auto-rows"><code

css-grid/Overview.src.html

@@ -1022,12 +1022,6 @@ <h3 id='track-sizing'>
 			Computes to ''minmax(min-content, max-content)''.
 	</dl>
 
-	<p class="issue">
-		Handling of percentages inside indefinite-sized grid containers is more similar to blocks/etc,
-		rather than tables.
-		(In tables, they imply a table size through black magic.)
-		Is that all right?
-
 	<p>
 		The <dfn id='grid-definition-none'>none</dfn> value indicates that there is no initial grid;
 		any rows/columns will be implicitly generated,