Do not include modern.js in build

Author: CodeStix

package.json

@@ -22,8 +22,8 @@
     "node": ">=10"
   },
   "scripts": {
-    "build": "microbundle-crl --no-compress --format modern,cjs",
-    "start": "microbundle-crl watch --no-compress --format modern,cjs",
+    "build": "microbundle-crl --no-compress --format cjs",
+    "start": "microbundle-crl watch --no-compress --format cjs",
     "predeploy": "cd example && yarn install && yarn run build",
     "deploy": "gh-pages -d example/build"
   },
@@ -46,4 +46,4 @@
   "files": [
     "dist"
   ]
-}
+}