brittany: remove as it's deprecated

Author: domenkozar

README.md

@@ -95,7 +95,6 @@ use nix
 - [stylish-haskell](https://github.com/jaspervdj/stylish-haskell)
 - [hlint](https://github.com/ndmitchell/hlint)
 - [cabal-fmt](https://github.com/phadej/cabal-fmt)
-- [brittany](https://github.com/lspitzner/brittany)
 - [hpack](https://github.com/sol/hpack)
 
 ## Elm

modules/hooks.nix

@@ -385,13 +385,6 @@ in
             "proto"
           ];
         };
-      brittany =
-        {
-          name = "brittany";
-          description = "Haskell source code formatter.";
-          entry = "${tools.brittany}/bin/brittany --write-mode=inplace";
-          files = "\\.l?hs(-boot)?$";
-        };
       dhall-format = {
         name = "dhall-format";
         description = "Dhall code formatter.";

nix/tools.nix

@@ -57,7 +57,7 @@ in
   inherit actionlint alejandra cabal-fmt cabal2nix cargo clang-tools clippy deadnix dhall editorconfig-checker hadolint hindent hlint hpack html-tidy nix-linter nixfmt nixpkgs-fmt ormolu rustfmt shellcheck shfmt statix stylish-haskell stylua typos go mdsh revive go-tools;
   inherit (elmPackages) elm-format elm-review elm-test;
   # TODO: these two should be statically compiled
-  inherit (haskellPackages) brittany fourmolu;
+  inherit (haskellPackages) fourmolu;
   inherit (luaPackages) luacheck;
   inherit (nodePackages) eslint markdownlint-cli prettier;
   inherit (python39Packages) ansible-lint yamllint;