workaround for the Nix madness

gf.cabal

@@ -2,7 +2,7 @@ name: gf
 version: 3.11.0-git
 
 cabal-version: 1.22
-build-type: Custom
+build-type: Simple
 license: OtherLicense
 license-file: LICENSE
 category: Natural Language Processing, Compiler
@@ -44,14 +44,6 @@ data-files:
   www/translator/*.css
   www/translator/*.js
 
-custom-setup
-  setup-depends:
-    base >= 4.9.1 && < 4.16,
-    Cabal >= 1.22.0.0,
-    directory >= 1.3.0 && < 1.4,
-    filepath >= 1.4.1 && < 1.5,
-    process >= 1.0.1.1 && < 1.7
-
 source-repository head
   type: git
   location: https://github.com/GrammaticalFramework/gf-core.git
@@ -89,9 +81,7 @@ library
     mtl >= 2.2.1 && < 2.3,
     pretty >= 1.1.3 && < 1.2,
     random >= 1.1 && < 1.3,
-    utf8-string >= 1.0.1.1 && < 1.1,
-    -- We need transformers-compat >= 0.6.3, but that is only in newer snapshots where it is redundant.
-    transformers-compat >= 0.5.1.4 && < 0.7
+    utf8-string >= 1.0.1.1 && < 1.1
 
   if impl(ghc<8.0)
     build-depends: