🚧 update url

src/common/config.js

@@ -1,6 +1,5 @@
 export const API_URL =
   process.env.NODE_ENV === "production"
-    ? process.env.PROD_BACK_URL ||
-      "https://frozen-falls-06091.herokuapp.com/api"
+    ? "https://frozen-falls-06091.herokuapp.com/api"
     : "http://localhost:2020/api";
 export default API_URL;