Reverts grafana/oncall#3489 Reviewing logs, it seems something broke related to [token auth](https://ops.grafana-ops.net/explore?schemaVersion=1&panes=%7B%22ffS%22:%7B%22datasource%22:%22OP27Xzxnk%22,%22queries%22:%5B%7B%22refId%22:%22A%22,%22expr%22:%22%7Bcluster%3D~%5C%22dev-.%2A%5C%22,%20namespace%3D%5C%22grafana-com%5C%22,%20job%3D%5C%22grafana-com%2Fgrafana-com-api%5C%22%7D%20%7C~%20%5C%22%2Finstances%2F%5Ba-z0-9%5D%2B.config%3Dtrue%5C%22%20%7C%3D%20%5C%22Grafana%20OnCall%5C%22%22,%22editorMode%22:%22code%22,%22queryType%22:%22range%22,%22datasource%22:%7B%22type%22:%22loki%22,%22uid%22:%22OP27Xzxnk%22%7D%7D%5D,%22range%22:%7B%22from%22:%22now-1h%22,%22to%22:%22now%22%7D%7D%7D&orgId=1). Reverting for now, will revisit in a later PR.
