[hyperdata] uniqId, uniqIdBdd removal

We have contexts.hash_id which is enough (computed by postgres as a
trigger).
4 jobs for 169-dev-docs-uniq-id in 92 minutes and 36 seconds (queued for 117 minutes and 29 seconds)
latest
Status Job ID Name Coverage
  Cabal
passed #11725
cabal

00:38:35

 
  Stack
passed #11726
stack

00:02:04

 
  Bench
manual #11727
allowed to fail manual
bench
 
  Test
passed #11728
test

00:51:56