Remove the CJS files from the package

scripts/build.mjs

@@ -3,30 +3,3 @@ import { build } from './shared.mjs';
 build({
   format: 'esm',
 });
-
-build({
-  format: 'cjs',
-  bundle: true,
-  outExtension: { '.js': '.cjs' },
-  footer: {
-    // Fix `export default {}` assigned to `module.exports.default`
-    js: 'if (module.exports.default) module.exports = module.exports.default;'
-  },
-  plugins: [
-    // @see https://github.com/evanw/esbuild/issues/622#issuecomment-769462611
-    {
-      name: 'change-extension-to-cjs',
-      setup(builder) {
-        // eslint-disable-next-line consistent-return
-        builder.onResolve({ filter: /.*/ }, (args) => {
-          if (args.importer) {
-            return {
-              path: args.path.replace(/\.js$/, '.cjs'),
-              external: true,
-            };
-          }
-        });
-      },
-    },
-  ],
-});