docs: remove redirect URI for the backend app reg, related to #72

Author: JonasKs

docs/docs/multi-tenant/azure_setup.mdx

@@ -19,7 +19,6 @@ Select a fitting name for your project; Azure will present the name to the user
 
 * `Supported account types`: `Multitenant` -  If you want to create a multi-tenant application, you
 should head over to the [multi-tenant documentation](../multi-tenant/azure_setup.mdx)
-* `Redirect URI`: Choose `Web` and `http://localhost:8000` as a value
 
 ![1_application_registration](../../static/img/multi-tenant/1_application_registration.png)
 

docs/docs/single-tenant/azure_setup.mdx

@@ -19,7 +19,6 @@ Select a fitting name for your project; Azure will present the name to the user
 
 * `Supported account types`: `Single tenant` -  If you want to create a multi-tenant application, you
 should head over to the [multi-tenant documentation](../multi-tenant/azure_setup.mdx)
-* `Redirect URI`: Choose `Web` and `http://localhost:8000` as a value
 
 Press **Register**