[css-grid] Remove staticpos sanity-check issue, as its sanity has been checked.

Author: tabatkins

css-grid/Overview.html

@@ -790,9 +790,6 @@ <h3 class="heading settled heading" data-level=4.3 id=static-position><span clas
 		the absolutely-positioned child has no effect on the size of the containing block
 		or layout of its contents.
 
-	<p class=issue id=issue-10e57cb7><a class=self-link href=#issue-10e57cb7></a>
-		Is this a reasonable and implementable definition of the static position?
-
 	<p class=issue id=issue-cc903511><a class=self-link href=#issue-cc903511></a>
 		Make sure Flexbox and Grid Layout have consistent models for static position.
 
@@ -2946,9 +2943,6 @@ <h2 class="no-num no-ref heading settled heading" id=property-index><span class=
 		Ideas welcome, please <a href="mailto:www-style@w3.org?Subject=%5Bcss-grid%5D%20Collapsing%20Grid%20Tracks">post them to www-style@w3.org</a>.
 
 <a href=#issue-011f0229> ↵ </a><p class=issue>
-		Is this a reasonable and implementable definition of the static position?
-
-	<a href=#issue-10e57cb7> ↵ </a><p class=issue>
 		Make sure Flexbox and Grid Layout have consistent models for static position.
 
 <a href=#issue-cc903511> ↵ </a><p class=issue>Would be nice if <a class=css data-link-type=maybe href=#propdef-grid title=grid>grid: subgrid</a> just worked.

css-grid/Overview.src.html

@@ -703,9 +703,6 @@ <h3 id="static-position">
 		the absolutely-positioned child has no effect on the size of the containing block
 		or layout of its contents.
 
-	<p class="issue">
-		Is this a reasonable and implementable definition of the static position?
-
 	<p class="issue">
 		Make sure Flexbox and Grid Layout have consistent models for static position.