remove: .source folder in next package

packages/next/.source/index.ts

@@ -1,3 +0,0 @@
-// @ts-nocheck -- skip type checking
-import { _runtime } from "fumadocs-mdx"
-import * as _source from "../source.config"

packages/next/.source/source.config.mjs

@@ -1,8 +0,0 @@
-// source.config.ts
-import { defineConfig } from "fumadocs-mdx/config";
-var source_config_default = defineConfig({
-  mdxOptions: {}
-});
-export {
-  source_config_default as default
-};