more restrictive Proof Using hints in (most files of the) prelude

2 jobs for master in 10 minutes and 28 seconds (queued for 1 minute and 53 seconds)
Status Job ID Name Coverage
  Test
passed #2292
coq
iris-coq8.5.3

00:05:47

passed #2293
coq
iris-coq8.6

00:04:40