Update docs/configuring-playbook-user-verification-service.md: merge the section "Configuration" and edit it

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

docs/configuring-playbook-user-verification-service.md

@@ -55,9 +55,7 @@ matrix_user_verification_service_enabled: true
 matrix_user_verification_service_uvs_access_token: "ACCESS_TOKEN_HERE"
 ```
 
-## Configuration
-
-For a list of all configuration options see the role defaults [`roles/matrix-user-verification-service/defaults/main.yml`](../roles/custom/matrix-user-verification-service/defaults/main.yml). But be aware of all the plugging happening in `group_vars/matrix_servers`.
+Check the role's [defaults/main.yml](../roles/custom/matrix-user-verification-service/defaults/main.yml) for the full list of variables that you could override. Note that all the plugging happening in `group_vars/matrix_servers`.
 
 In the default configuration, the UVS Server is only reachable via the docker network, which is fine if e.g. Jitsi is also running in a container on the host. However, it is possible to expose UVS via setting `matrix_user_verification_service_container_http_host_bind_port`.