[monitoring-plugins] docs: update copyright and remove revision section

[RincewindsHat]

 Module: monitoring-plugins
 Branch: master
 Commit: 0d61e6d126817ee38582eea307c9feecf75330f9
 Author: RincewindsHat <12514511+RincewindsHat at users.noreply.github.com>
   Date: Tue Oct 15 09:32:09 2024 +0200
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=0d61e6d

docs: update copyright and remove revision section

---

 doc/developer-guidelines.sgml | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/doc/developer-guidelines.sgml b/doc/developer-guidelines.sgml
index 37c963e..edadaad 100644
--- a/doc/developer-guidelines.sgml
+++ b/doc/developer-guidelines.sgml
@@ -14,15 +14,8 @@
     <pubdate>2013</pubdate>
     <title>Monitoring Plugins Development Guidelines</title>
 
-    <revhistory>
-       <revision>
-          <revnumber>1796</revnumber>
-          <date>2007-09-24 14:51:07 -0400 (Mon, 24 Sep 2007)</date>
-       </revision>
-    </revhistory>
-
 	<copyright>
-		<year>2000 - 2013</year>
+		<year>2000 - 2024</year>
 		<holder>Monitoring Plugins Development Team</holder>
 	</copyright>
 
@@ -34,7 +27,7 @@
     the plugin developers and encourage the standardization of the
     different kind of plugins: C, shell, perl, python, etc.</para>
 
-        <para>Monitoring Plugins Development Guidelines Copyright (C) 2000-2013
+        <para>Monitoring Plugins Development Guidelines Copyright (C) 2000-2024
         (Monitoring Plugins Team)</para>
 
         <para>Permission is granted to make and distribute verbatim