Remove allow-start/text-align:end issue since Koji and Murakami-san don't feel it to be an issue

Author: fantasai

css3-text/Overview.src.html

@@ -2697,9 +2697,6 @@ <h3 id="text-trim-prop">
           3.8 Line Adjustment in [[JLREQ]].</span>
         </dd>
     </dl>
-    
-    <p class="issue">Figure out proper interaction with text-align: end.
-      Does allow-end behavior make sense? Do we want allow-start instead?</p>
 
     <p>In all cases, the UA must trim (kern) the blank half of fullwidth
       opening punctuation if its previous adjacent character is a