Revert "save local games. TODO: check whether a new move has been made or not"
I want to create a new branch for developing the last changes, which are about saving local games to reduce bandwidth.
I also want to try f-droid update check mode by editing version code in the manifest.

This reverts commit d4156ac1716f4ba3f79a92bda2ed84c7fd28f2f2.
trying v1.5 for fdroid autoupdate