neovim: move nvim-tree to nvim-tree module

neovim/.config/nvim/after/plugin/nvim-tree.lua

@@ -99,3 +99,5 @@ require("nvim-tree").setup({
   },
   on_attach = on_attach,
 })
+
+vim.keymap.set("n", "<leader><leader>", vim.cmd.NvimTreeToggle)

neovim/.config/nvim/after/plugin/remaps.lua

@@ -1,6 +1,3 @@
-local formatting = require("daniil.formatting")
-
-vim.keymap.set("n", "<leader><leader>", vim.cmd.NvimTreeToggle)
 vim.keymap.set("n", "<C-c>", vim.cmd.nohl)
 
 -- Move lines easily