Finally... dropped fb (#7244)

build-constraints.yaml

@@ -1285,7 +1285,6 @@ packages:
         - yesod-routes-flow
 
     "Felipe Lessa <[email protected]> @meteficha":
-        - fb
         - nonce
         - serversession
         - serversession-backend-acid-state
@@ -5143,7 +5142,6 @@ packages:
         - bytebuild
         - byteslice
         - contiguous
-        - fb
         - ip
         - pwstore-fast
         - rex
@@ -9379,7 +9377,6 @@ expected-test-failures:
     - eventful-dynamodb
     - eventful-postgresql
     - faktory # connection refused, https://github.com/commercialhaskell/stackage/issues/5905
-    - fb # Facebook app
     - gdax # Needs environment variables set
     - ghc-imported-from # depends on haddocks being generated first https://github.com/fpco/stackage/pull/1315
     - ghc-mod # https://github.com/DanielG/ghc-mod/issues/611