fix: remove legacy file

Author: Zalk0

package.json

@@ -15,7 +15,6 @@
     "@reduxjs/toolkit": "^1.9.7",
     "axios": "^1.6.2",
     "bufferutil": "^4.0.8",
-    "dotenv": "^16.3.1",
     "express": "^4.18.2",
     "moment": "^2.29.4",
     "next": "^14.0.3",