Revert "ci windows: use groonga-normalizer-mysql as a workaround"
Revert "ci windows: use groonga-normalizer-mysql as a workaround"

This reverts commit 08e115f97cf6653d53741cc2e0b33ac8836b7554.

Because groonga-normalizer-mysql is released.

mroonga/mroonga,mroonga/mroonga,mroonga/mroonga,mroonga/mroonga