Merge pull request #821 from aspeddro/fix-next-warnings

remove some warnings

Author: fhammerschmidt

next.config.mjs

@@ -29,21 +29,8 @@ const config = {
         path: false,
       };
     }
-    // We need this additional rule to make sure that mjs files are
-    // correctly detected within our src/ folder
-    config.module.rules.push({
-      test: /\.m?js$/,
-      // v-- currently using an experimental setting with esbuild-loader
-      //use: options.defaultLoaders.babel,
-      use: [{ loader: "esbuild-loader", options: { loader: "jsx" } }],
-      exclude: /node_modules/,
-      type: "javascript/auto",
-      resolve: {
-        fullySpecified: false,
-      },
-    });
 
-    function mainMdxLoader(plugins) {
+    function mainMdxLoader() {
       return [
         createLoader(function(source) {
           const result = `${source}\n\nMDXContent.frontmatter = frontmatter`;