Fix incorrectly recorded comment in LWG 4000

Author: jwakely

xml/issue4000.xml

@@ -29,9 +29,7 @@ Set priority to 3 after reflector poll in October 2023.
 </p>
 
 <p>
-"This is <paper num="P2767"/> section 6 which LWG looked at in Varna,
-and was turned into https://github.com/cplusplus/draft/pull/6274 as an
-editorial change."
+"This is <paper num="P2767"/> section 6 which LWG looked at in Varna."
 </p>
 
 </discussion>