exclude module to fix build size (#50)

Author: bluebill1049

package.json

@@ -1,9 +1,8 @@
 {
   "name": "@hookform/devtools",
-  "version": "2.0.4",
+  "version": "2.0.5",
   "description": "React Hook Form dev tool to help debugging forms",
   "main": "dist/index.js",
-  "module": "dist/index.esm.js",
   "umd:main": "dist/index.umd.development.js",
   "unpkg": "dist/index.umd.development.js",
   "jsdelivr": "dist/index.umd.development.js",