Revert "Update Simple Brick Games to 2.1 (12)"
Revert "Update Simple Brick Games to 2.1 (12)"

Upstream Git tag 2.1 is gone.

This reverts commit 536c861ff20ccec8dbe0195c08d0ad6f5c8fb2c0.

f-droid/fdroiddata,f-droid/fdroid-data,f-droid/fdroiddata