docs: remove nested queires admin setting (#49699) (#49702)

* docs: remove nested queries setting

* docs: remove mention of nested query setting

Co-authored-by: Alex Yarosh <alexandra@metabase.com>

docs/configuring-metabase/settings.md

@@ -50,10 +50,6 @@ If you re-enable this setting, Metabase will run a [scan](../databases/sync-scan
 
 To manually label field or table names in Metabase, check out the [Table Metadata](../data-modeling/metadata-editing.md) section in your admin settings. Metadata in the Table Metadata can be further curated in [models](../data-modeling/models.md).
 
-## Enable nested queries
-
-By default, Metabase allows your users to use a previously saved question as a source for queries. If you have a lot of slow running queries, you may want to switch this option off, as performance problem can occur.
-
 ## Enable X-rays
 
 [X-rays](../exploration-and-organization/x-rays.md) are a great way for people to get quick summary stats on your data. If these X-ray queries get too slow or expensive, you can turn them off here.

docs/troubleshooting-guide/models.md

@@ -13,7 +13,6 @@ If you don't see [the model button][model-button-image] (three squares):
 1. Check if you're using a Metabase version that's 0.42.0 or greater by going to the top right of the screen and clicking on the **gear** icon > **About Metabase**.
 2. Clear your browser cache.
 3. Ask your Metabase admin to clear the proxy cache (if you're using one).
-4. Ask your Metabase admin if [nested queries are enabled][nested-query-settings-docs] under **Admin** > **Settings** > **General**.
 
 ## Can't edit or save changes to a model