* remove deprecated get_md5 from stat
fixes#55309
* removed get_md5 from tests involving stat
* keep get_md5 but hide it
* rst it
* ammended comment
* ws
* added ignore for hidden md5
* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
This change corrects problems reported by the `yamllint` linter.
Since key duplication problems were removed in 4d48711, this commit
mainly fixes trailing spaces and extra empty lines at beginning/end of
files.
