doctest-discover: move override out of configuration-nix.nix

and move it to configuration-common.nix where it belongs.
configuration-nix.nix is only for fixing build failures
due to Nix.

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

@@ -506,11 +506,20 @@ self: super: {
   # https://github.com/nushio3/doctest-prop/issues/1
   doctest-prop = dontCheck super.doctest-prop;
 
+  # Missing file in source distribution:
+  # - https://github.com/karun012/doctest-discover/issues/22
+  # - https://github.com/karun012/doctest-discover/issues/23
+  #
+  # When these are fixed the following needs to be enabled again:
+  #
+  # # Depends on itself for testing
+  # doctest-discover = addBuildTool super.doctest-discover
+  #   (if pkgs.buildPlatform != pkgs.hostPlatform
+  #    then self.buildHaskellPackages.doctest-discover
+  #    else dontCheck super.doctest-discover);
+  doctest-discover = dontCheck super.doctest-discover;
+
   # Depends on itself for testing
-  doctest-discover = addBuildTool super.doctest-discover
-    (if pkgs.buildPlatform != pkgs.hostPlatform
-     then self.buildHaskellPackages.doctest-discover
-     else dontCheck super.doctest-discover);
   tasty-discover = addBuildTool super.tasty-discover
     (if pkgs.buildPlatform != pkgs.hostPlatform
      then self.buildHaskellPackages.tasty-discover

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

@@ -506,9 +506,4 @@ self: super: builtins.intersectAttrs super {
   # Tests require a browser: https://github.com/ku-fpg/blank-canvas/issues/73
   blank-canvas = dontCheck super.blank-canvas;
   blank-canvas_0_6_2 = dontCheck super.blank-canvas_0_6_2;
-
-  # Missing file in source distribution:
-  # - https://github.com/karun012/doctest-discover/issues/22
-  # - https://github.com/karun012/doctest-discover/issues/23
-  doctest-discover = dontCheck super.doctest-discover;
 }