These were deprecated in a5f4ba08d9 and only
used internally.
This removes the deprecated types and functions:
- `RunConfigCreate` and `CreateOptions`
- `RunConfigInspect` and `InspectOptions`
- `RunConfigList` and `ListOptions`
- `RunConfigRemove` and `RemoveOptions`
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>