Doc: remove commit from v14 release notes.
Now that this has been back-patched, it's no longer a new feature
for v14.
@@ -1515,23 +1515,6 @@ Author: Amit Kapila <akapila@postgresql.org>
<listitem>
<!--
-Author: Tom Lane <tgl@sss.pgh.pa.us>
-2020-09-14 [f560209c6] Make walsenders show their replication commands in pg_st
--->
-
- <para>
- Improve <link
- linkend="monitoring-pg-stat-activity-view"><structname>pg_stat_activity</structname></link>
- reporting of walsender processes (Tom Lane)
- </para>
-
- <para>
- Previously only <acronym>SQL</acronym> commands were reported.
- </para>
- </listitem>
-
- <listitem>
-<!--
Author: Fujii Masao <fujii@postgresql.org>
2021-03-15 [d75288fb2] Make archiver process an auxiliary process.
-->
