removed github copilot related plugins

nvim/lua/settings/lazy/plugins/nvimcmp.lua

@@ -29,9 +29,9 @@ return {
         ["<CR>"] = cmp.mapping.confirm({ select = true }),
       }),
       sources = cmp.config.sources({
-        { name = "nvim_lsp" },
-        { name = "luasnip" },
-        { name = "path" },
+        { name = "nvim_lsp", group_index = 2 },
+        { name = "luasnip",  group_index = 2 },
+        { name = "path",     group_index = 2 },
       }, {
         { name = "buffer" },
       }),