haskell-persistent-postgresql is marked for autoremoval from testing

[Debian testing autoremoval watch]

haskell-persistent-postgresql 2.6-2 is marked for autoremoval from testing on 2017-08-22

It (build-)depends on packages with these RC bugs:
867841: haskell-uuid-types: << build dependencies on packages with a more recent version
867876: haskell-http-api-data: haskell-http-api-data FTBFS: Duplicate instance declarations