Revert "Set Jack and Jill Douarn 1.3-b6 as stable"

This reverts commit 9fc9a363f2972718ad604bb690142c71d56aca18.

Bugs fixed since 1.3-b5
Bug: 31863114
Bug: 31543917
Bug: 31239202
Bug: 30801456

Change-Id: I5ea0b6fbff1256b52b93ab0ebff90efa695269c5
4 files changed