Revert "workaround race condition for queries over multiple series"
Revert "workaround race condition for queries over multiple series"

This reverts commit 27c60056bfd81d408717afd55bae9e55faf86b2c.

MartinNowak/alertd,MartinNowak/alertd,MartinNowak/alertd,MartinNowak/alertd