remove unused vim package: nabla

modules/home-manager/neovim.nix

@@ -33,15 +33,6 @@ lib.mkIf config.sane.home-manager.enable
           " autocmd Syntax tex set conceallevel=2
         '';
       })
-      # nabla renders inline math in any document, but it's buggy.
-      #   https://github.com/jbyuki/nabla.nvim
-      # ({
-      #   plugin = pkgs.nabla;
-      #   type = "lua";
-      #   config = ''
-      #     require'nabla'.enable_virt()
-      #   '';
-      # })
       # treesitter syntax highlighting: https://nixos.wiki/wiki/Tree_sitters
       # docs: https://github.com/nvim-treesitter/nvim-treesitter
       # config taken from: https://github.com/i077/system/blob/master/modules/home/neovim/default.nix

pkgs/nabla/default.nix

@@ -1,14 +0,0 @@
-{ pkgs, fetchFromGitHub, ... }:
-
-# buildVimPluginFrom2Nix {
-pkgs.vimUtils.buildVimPlugin {
-  pname = "nabla";
-  version = "2022-08-17";
-  src = fetchFromGitHub {
-    owner = "jbyuki";
-    repo = "nabla.nvim";
-    rev = "5379635d71b9877eaa4df822e8a2a5c575d808b0";
-    sha256 = "sha256-1VabgTnOSsfdhmHnfXl/h9djgNV3Gqro5VOr8ZbUlWw=";
-  };
-  meta.homepage = "https://github.com/jbyuki/nabla.nvim/";
-}

pkgs/overlay.nix

@@ -44,7 +44,5 @@
   gopass-native-messaging-host = prev.callPackage ./gopass-native-messaging-host { };
   tokodon = prev.libsForQt5.callPackage ./tokodon { };
   # kaiteki = prev.kaiteki;
-  # TODO: upstream, or delete nabla
-  nabla = prev.callPackage ./nabla { };
 })