[css-text-3] Drop request for feedback on Korean line breaking details, since we haven't gotten any feedback for years now.

Author: fantasai

css-text-3/Overview.bs

@@ -3340,12 +3340,6 @@ Line Breaking Details</h3>
       </wpt>
     </dl>
 
-    <p class="feedback issue">
-      The rules here are following guidelines from <a href="https://www.w3.org/TR/klreq/#line-break">KLREQ</a> for Korean,
-      which don't allow the Chinese/Japanese-specific breaks.
-      However, the resulting behavior could use some review and feedback to make sure they are correct,
-      particularly when “word basis” breaking is used (''word-break: keep-all'') in Korean.
-
     <p>CSS distinguishes between four levels of strictness in the rules for
       text wrapping.
       The precise set of rules in effect for each of ''line-break/loose'', ''line-break/normal'', and ''line-break/strict'' is up to the UA