docs: remove "More upgrade guides coming soon"

kenjis · kenjis · commit a19179a80969 · 2023-04-05T20:02:47.000+09:00
diff --git a/user_guide_src/source/installation/upgrade_4xx.rst b/user_guide_src/source/installation/upgrade_4xx.rst
@@ -207,6 +207,3 @@ Upgrading Libraries
     upgrade_sessions
     upgrade_validations
     upgrade_view_parser
-
-.. note::
-    More upgrade guides coming soon
