neovim: Fix tree-sitter configuration

This changes the used parsers from an allowlist to a denylist.

users/simon/modules/neovim/default.nix

@@ -87,7 +87,7 @@ in
       nvim-jdtls
       nvim-lspconfig
       nvim-solarized-lua
-      nvim-treesitter
+      nvim-treesitter.withAllGrammars
       nvim-web-devicons
       plantuml-syntax
       plenary-nvim
@@ -111,29 +111,7 @@ in
   xdg.configFile = {
     "nvim/lua/init.lua".source = ./init.lua;
     "nvim/lua/snippets.lua".source = pkgs.callPackage ./snippets.nix { };
-  } // (lib.mapAttrs'
-    (name: path: lib.nameValuePair "nvim/parser/${lib.removePrefix "tree-sitter-" name}.so" { source = "${path}/parser"; })
-    ({
-      inherit (pkgs.tree-sitter.builtGrammars)
-        #tree-sitter-bash
-        tree-sitter-c
-        tree-sitter-cpp
-        tree-sitter-css
-        tree-sitter-dot
-        tree-sitter-go
-        tree-sitter-haskell
-        tree-sitter-html
-        tree-sitter-json
-        #tree-sitter-latex # incompatible with VimTeX
-        tree-sitter-lua
-        tree-sitter-nix
-        tree-sitter-perl
-        tree-sitter-python
-        tree-sitter-rust
-        tree-sitter-scss
-        tree-sitter-toml
-        tree-sitter-yaml;
-    }));
+  };
 
   home.sessionVariables.EDITOR = "nvim";
 }

users/simon/modules/neovim/init.lua

@@ -424,6 +424,10 @@ require('nvim-treesitter.configs').setup {
     highlight = {
         enable = true,
         additional_vim_regex_highlighting = false,
+        disable = {
+            'gitcommit', -- only for “conventional commits”
+            'latex', -- incompatible with VimTeX
+        },
     },
     indent = {
         enable = true,