Revert "fix: dont lazy-load on ft. Load on cmd or keys only"

This reverts commit 3a93757bb1.

lua/lazyvim/plugins/extras/lang/markdown.lua

@@ -1,64 +0,0 @@
-return {
-  {
-    "nvim-treesitter/nvim-treesitter",
-    opts = function(_, opts)
-      if type(opts.ensure_installed) == "table" then
-        vim.list_extend(opts.ensure_installed, { "markdown", "markdown_inline" })
-      end
-    end,
-  },
-  {
-    "williamboman/mason.nvim",
-    opts = function(_, opts)
-      opts.ensure_installed = opts.ensure_installed or {}
-      vim.list_extend(opts.ensure_installed, { "markdownlint" })
-    end,
-  },
-  {
-    "nvimtools/none-ls.nvim",
-    optional = true,
-    opts = function(_, opts)
-      local nls = require("null-ls")
-      opts.sources = vim.list_extend(opts.sources or {}, {
-        nls.builtins.diagnostics.markdownlint,
-      })
-    end,
-  },
-  {
-    "mfussenegger/nvim-lint",
-    optional = true,
-    opts = {
-      linters_by_ft = {
-        markdown = { "markdownlint" },
-      },
-    },
-  },
-  {
-    "neovim/nvim-lspconfig",
-    opts = {
-      servers = {
-        marksman = {},
-      },
-    },
-  },
-
-  -- Markdown preview
-  {
-    "iamcco/markdown-preview.nvim",
-    cmd = { "MarkdownPreviewToggle", "MarkdownPreview", "MarkdownPreviewStop" },
-    build = function()
-      vim.fn["mkdp#util#install"]()
-    end,
-    keys = {
-      {
-        "<leader>cp",
-        ft = "markdown",
-        "<cmd>MarkdownPreviewToggle<cr>",
-        desc = "Peek (Markdown Preview)",
-      },
-    },
-    config = function()
-      vim.cmd([[do FileType]])
-    end,
-  },
-}