arrows: Refresh HdyArrowsDirection docs
This moves the HdyArrowsDirection documentation to the C file and removes the final period from the values definitions, like for all other enums documentations.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this page for instructions on how to get full permissions. Sorry for the inconvenience.
This moves the HdyArrowsDirection documentation to the C file and removes the final period from the values definitions, like for all other enums documentations.