Fix completion being annoying

lua/plugins/cmp.lua

@@ -80,7 +80,7 @@ local function setup()
             ["<C-f>"] = cmp.mapping.scroll_docs(4),
             ["<CR>"] = cmp.mapping(
                 function (fallback)
-                    if cmp.visible() then
+                    if cmp.visible() and cmp.get_selected_entry() then
                         cmp.confirm(
                             {
                                 behavior = cmp.ConfirmBehavior.Replace,
@@ -116,24 +116,6 @@ local function setup()
                     end
                 end, { "i", "s", }
             ),
-            ["<Down>"] = cmp.mapping(
-                function (fallback)
-                    if cmp.visible() then
-                        cmp.select_next_item()
-                    else
-                        fallback()
-                    end
-                end, { "i", "s", }
-            ),
-            ["<Up>"] = cmp.mapping(
-                function (fallback)
-                    if cmp.visible() then
-                        cmp.select_prev_item()
-                    else
-                        fallback()
-                    end
-                end, { "i", "s", }
-            ),
         },
         sources = {
             { name = "nvim_lsp", },