remove method call that no longer exists
add commented commit line
Revert mapdb stuff

This reverts commit 26e62dfbced0b18f357810497638478ea8802468.
Revert "remove method call that no longer exists"

This reverts commit d6f0cd620463c9e3ab13bb74c7d4867bbb7f95c4.
Revert "use mapdb for storing the ids"

This reverts commit 5ff3d90388940ea24ff722bfbaf5fcc3551ddc45.