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/installation/helm/index.md

@@ -199,9 +199,9 @@ In order to make any configuration changes, download the `values.yaml` file from
 
 https://github.com/grafana/helm-charts/blob/main/charts/grafana/values.yaml
 
-{{% admonition type="note" %}}
+{{< admonition type="note" >}}
 Depending on your use case requirements, you can use a single YAML file that contains your configuration changes or you can create multiple YAML files.
-{{% /admonition %}}
+{{< /admonition >}}
 
 ### Enable persistent storage **(recommended)**