Revert "upgrade reactivemongo"
Revert "upgrade reactivemongo"

This reverts commit 271da665e3f09254a996afb73796cb14a6b5c1de.

arex1337/lila,luanlv/lila,arex1337/lila,luanlv/lila,arex1337/lila,arex1337/lila,arex1337/lila,arex1337/lila,luanlv/lila,arex1337/lila,luanlv/lila,luanlv/lila,luanlv/lila,luanlv/lila