Changes to DELETE /api/app-lifecycle/:urn/uninstall

removed the success response with the status 200

the requestId response's property pattern ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$ was added for the status 200

added the media type application/json for the response with the status 200

endpoint added