Fix jsdelivr entry point

For more information, see: https://www.jsdelivr.com/documentation#id-configuring-a-default-file-in-packagejson

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xenova/transformers",
-  "version": "2.0.0-alpha.1",
+  "version": "2.0.0-alpha.2",
   "description": "State-of-the-art Machine Learning for the web. Run 🤗 Transformers directly in your browser, with no need for a server!",
   "main": "./src/transformers.js",
   "types": "./types/transformers.d.ts",
@@ -69,8 +69,6 @@
   "publishConfig": {
     "access": "public"
   },
-  "jsdelivr": {
-    "main": "./dist/transformers.min.js"
-  },
+  "jsdelivr": "./dist/transformers.min.js",
   "unpkg": "./dist/transformers.min.js"
 }