haskellPackages.digits: work around broken Setup.hs

pandoc now (indirectly) depends on this and it's easy to fix.

pkgs/development/haskell-modules/configuration-common.nix

@@ -2432,6 +2432,8 @@ self: super: {
 
   # The shipped Setup.hs file is broken.
   csv = overrideCabal (drv: { preCompileBuildDriver = "rm Setup.hs"; }) super.csv;
+  # Build-type is simple, but ships a broken Setup.hs
+  digits = overrideCabal (drv: { preCompileBuildDriver = "rm Setup.lhs"; }) super.digits;
 
   cabal-fmt = doJailbreak (super.cabal-fmt.override {
     # Needs newer Cabal-syntax version.

pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml

@@ -1172,7 +1172,6 @@ broken-packages:
   - digest-pure
   - DigitalOcean
   - digitalocean-kzs
-  - digits
   - digraph
   - dijkstra-simple
   - DimensionalHash

pkgs/development/haskell-modules/hackage-packages.nix

@@ -82816,8 +82816,6 @@ self: {
        testHaskellDepends = [ base QuickCheck ];
        description = "Converts integers to lists of digits and back";
        license = lib.licenses.bsd3;
-       hydraPlatforms = lib.platforms.none;
-       broken = true;
      }) {};
 
   "digraph" = callPackage