Deprecate all flags
- Use querier.config.fluxInterval in lieu of passing `--flux-interval` and `--flux-interval-for-trace-detail`
- Remove `--gateway-url`
- Use telemetrystore.clickhouse.cluster in lieu of passing `--cluster` or `--cluster-name`
- Add an `unparam` check in the linter. Updated some functions across the querier codebase to be compatible with this linter.
- Remove prometheus config from docker builds.
