fix: pdfparse not working with in ESM version

packages/core/package.json

@@ -50,12 +50,5 @@
     "test": "jest",
     "build": "tsup src/index.ts --format esm,cjs --dts",
     "dev": "tsup src/index.ts --format esm,cjs --dts --watch"
-  },
-  "exports": {
-    ".": {
-      "require": "./dist/index.js",
-      "import": "./dist/index.mjs",
-      "types": "./dist/index.d.ts"
-    }
   }
 }
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