Add documentation for the SSO settings delete API method (#78521)

add documentation for the sso settings delete API method

docs/sources/developers/http_api/sso-settings.md

@@ -0,0 +1,63 @@
+---
+aliases:
+  - ../../http_api/sso-settings/
+  - ../../http_api/ssosettings/
+canonical: /docs/grafana/latest/developers/http_api/sso-settings/
+description: Grafana SSO Settings API
+keywords:
+  - grafana
+  - http
+  - documentation
+  - api
+  - sso
+  - sso-settings
+labels:
+  products:
+    - enterprise
+    - oss
+title: SSO Settings API
+---
+
+# SSO Settings API
+
+> If you are running Grafana Enterprise, for some endpoints you'll need to have specific permissions. Refer to [Role-based access control permissions]({{< relref "/docs/grafana/latest/administration/roles-and-permissions/access-control/custom-role-actions-scopes" >}}) for more information.
+
+The API can be used to create, update, delete, get, and list SSO Settings.
+
+## Delete SSO Settings
+
+`DELETE /api/v1/sso-settings/:provider`
+
+Deletes an existing SSO Settings entry for a provider.
+
+**Required permissions**
+
+See note in the [introduction]({{< ref "#sso-settings" >}}) for an explanation.
+
+| Action           | Scope                        |
+| ---------------- | ---------------------------- |
+| `settings:write` | `settings:auth.{provider}:*` |
+
+**Example Request**:
+
+```http
+DELETE /api/v1/sso-settings/azuread HTTP/1.1
+Accept: application/json
+Content-Type: application/json
+Authorization: Bearer eyJrIjoiT0tTcG1pUlY2RnVKZTFVaDFsNFZXdE9ZWmNrMkZYbk
+```
+
+**Example Response**:
+
+```http
+HTTP/1.1 204
+Content-Type: application/json
+```
+
+Status Codes:
+
+- **204** – SSO Settings deleted
+- **400** – Bad Request
+- **401** – Unauthorized
+- **403** – Access Denied
+- **404** – SSO Settings not found