Drop constraint on warp in cabal.project

Relevant issue seems to be fixed upstream.

Author: maksbotan

cabal.project

@@ -53,10 +53,9 @@ tests: True
 optimization: False
 -- reorder-goals: True
 
--- The switch to crypton breaks the build, so let's avoid it for now
--- https://github.com/snoyberg/http-client/issues/508
-constraints: crypton < 0, crypton-connection < 0, crypton-x509 < 0, crypton-x509-store < 0, crypton-x509-system < 0, crypton-x509-validation < 0
-constraints: warp < 3.3.26
+-- wreq-0.5.4.1 doesn't seem to work with ghc-8.6.5
+if (impl(ghc < 8.8))
+  constraints: wreq == 0.5.4.0
 
 allow-newer: servant-js:base