Docs: removing docs debt in install docs (#101750)

* Docs: removing docs debt in install docs

* cleaning up set up docs debt

* fixing some vale errors

* fixing broken admonition shortcode

* fixing broken shortcode

* fixing broken shortcode

* working to the grafana authentication config

* updating some more files

* editing down to ldap in the repo

* editing ldap doc except final section with link needed

* Finishing doc debt cleanup through configure authetication

* fixing shortcodes reverted by merge conflict fix

* fixing admonition

* fixing more broken shortcodes

* adjusting some wordings ot make vale happy

* updating feature toggle info

docs/sources/setup-grafana/configure-security/_index.md

@@ -25,9 +25,9 @@ You can configure Grafana to only allow certain IP addresses or hostnames to be
 
 The request security configuration option allows users to limit requests from the Grafana server. It targets requests that are generated by users. For more information, refer to [Request security](configure-request-security/).
 
-{{% admonition type="note" %}}
+{{< admonition type="note" >}}
 Request security is available in Grafana Enterprise v7.4 and later versions.
-{{% /admonition %}}
+{{< /admonition >}}
 
 ## Firewall rules