[#2107] removed os from supported platforms

diff --git a/platforms.rst b/platforms.rst
index dffa0709abfbdb7f4e94ec4f1a3d1930fecc21b0..e3863a81c9d9f78e92fd4788829a4cd2c9e4ceff 100644 (file)
--- a/platforms.rst
+++ b/platforms.rst
@@ -26,7 +26,7 @@ and FreeBSD systems. Kea-|release| builds have been tested on:
 * Debian — 9, 10
 * Fedora — 33, 34
 * FreeBSD — 12.1, 13.0
-* Ubuntu — 18.04, 20.04, 20.10, 21.04
+* Ubuntu — 18.04, 20.04, 21.04
 
 There are currently no plans to port Kea to Windows systems.