nvim: stop using after

rationale: https://vi.stackexchange.com/a/12735

.config/nvim/after/plugin/treesitter.lua

@@ -1,31 +0,0 @@
-require("nvim-treesitter.configs").setup {
-
-    ensure_installed = {
-        -- funny language hehe
-        "haskell",
-        "rust",
-        "nix",
-        -- vim
-        "lua",
-        -- misc
-        "html",
-        "scss",
-        "css",
-        "json",
-    },
-    ignore_install = { "typst", "markdown" },
-    sync_install = false,
-    auto_install = true,
-    highlight = { enable = true },
-
-    -- Disable for large files
-    disable = function(lang, buf)
-        local max_filesize = 100 * 1024 -- 100 KB
-        local ok, stats = pcall(vim.uv.fs_stat, vim.api.nvim_buf_get_name(buf))
-        if ok and stats and stats.size > max_filesize then
-            return true
-        end
-    end,
-
-    indent = true,
-}