remove the other export-mapping bit as well

With the wildcard export map gone, we can't import any types except the base types. Let's remove both.

Author: shirakaba

packages/macos/package.json

@@ -49,11 +49,5 @@
   },
   "devDependencies": {
     "rimraf": "^6.0.0"
-  },
-  "exports": {
-    ".": {
-      "types": "./index.d.ts",
-      "default": "./index.js"
-    }
   }
 }