Newsletter-347:Translate into Japanese (#2243)

Author: azuchi

_posts/en/newsletters/2025-03-28-newsletter.md

@@ -194,8 +194,6 @@ release candidates._
   is the new RBF-based fee bumping for cooperative closes described
   below in the notable code changes section.
 
-<!-- FIXME:harding to update Thursday -->
-
 ## Notable code and documentation changes
 
 _Notable recent changes in [Bitcoin Core][bitcoin core repo], [Core