Docs/process/changes: Consolidate NFS-utils update links

Two update links for NFS-utils are in two duplicate sessions.
Consolidate.

Signed-off-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20230728211616.59550-1-sj@kernel.org

Author: sjp38

Documentation/process/changes.rst

@@ -545,6 +545,7 @@ NFS-utils
 ---------
 
 - <http://sourceforge.net/project/showfiles.php?group_id=14>
+- <http://nfs.sourceforge.net/>
 
 Iptables
 --------
@@ -561,11 +562,6 @@ OProfile
 
 - <http://oprofile.sf.net/download/>
 
-NFS-Utils
----------
-
-- <http://nfs.sourceforge.net/>
-
 Kernel documentation
 ********************