#1902 (closed) Remove ESMRE library from requirements
See merge request !6611 (merged)
(cherry picked from commit 26722b03)
2e483e25 Remove esmre, not use 722fae52 Add comment to xrulelookup. c01d14d4 Add esmre check. 8f5f7ff6 Fix typo. e8e32294 Fix tests