docs: remove deprecated get_large_file_storage_config endpoint from OpenAPI spec (#7629)

Closes #7622

Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Diego Imbert <diegoimbert@users.noreply.github.com>

backend/windmill-api/openapi.yaml

@@ -3506,23 +3506,6 @@ paths:
                   default_app_path:
                     type: string
 
-  /w/{workspace}/workspaces/get_large_file_storage_config:
-    get:
-      summary: get large file storage config
-      operationId: getLargeFileStorageConfig
-      tags:
-        - workspace
-      parameters:
-        - $ref: "#/components/parameters/WorkspaceId"
-
-      responses:
-        "200":
-          description: status
-          content:
-            application/json:
-              schema:
-                $ref: "#/components/schemas/LargeFileStorage"
-
   /w/{workspace}/workspaces/usage:
     get:
       summary: get usage