docs: move "advisory" to general metadata

the advisory option should not be
below "menu"

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: aadd88c306d43b401a18a29efafa714f64f87894
Component: engine

components/engine/docs/reference/commandline/plugin_disable.md

@@ -3,9 +3,9 @@
 title = "plugin disable"
 description = "the plugin disable command description and usage"
 keywords = ["plugin, disable"]
+advisory = "experimental"
 [menu.main]
 parent = "smn_cli"
-advisory = "experimental"
 +++
 <![end-metadata]-->