[games-strategy/opendungeons-data] rm EGIT_CLONE_TYPE

It's not supposed to be set by the ebuild.
Only EGIT_MIN_CLONE_TYPE can be set, but it's
already set to shallow by default.
[games-strategy/opendungeons] rm EGIT_CLONE_TYPE

It's not supposed to be set by the ebuild.
Only EGIT_MIN_CLONE_TYPE can be set, but it's
already set to shallow by default.