Remove oil.nvim, configure netrw

after/plugin/netrw.lua

@@ -1,6 +1,3 @@
 vim.keymap.set("n", "<leader>pv", vim.cmd.Ex)
 
 vim.g.netrw_banner = 0
-vim.g.netrw_browse_split = 0
-vim.g.netrw_liststyle = 3
-vim.g.netrw_winsize = 20

after/plugin/oil.lua

@@ -1,3 +0,0 @@
-require("oil").setup {}
-
-vim.keymap.set("n", "-", "<cmd>Oil<cr>", { desc = "Open parent directory" })