refactor: remove the rest nvim package

lua/plugins/util.lua

@@ -4,20 +4,6 @@ return {
         lazy = true,
     },
 
-    {
-        "rest-nvim/rest.nvim",
-        opts = {},
-        keys = {
-            {
-                "<leader>rt",
-                function()
-                    require("rest-nvim").run()
-                end,
-                desc = "Run the rest request in the current buffer",
-            },
-        },
-    },
-
     {
         "ellisonleao/glow.nvim",
         config = true,