use environment variable to store R2_BUCKET

src/core/configuration/DevConfig.ts

@@ -5,9 +5,6 @@ import { GameEnv, ServerConfig } from "./Config";
 import { DefaultConfig, DefaultServerConfig } from "./DefaultConfig";
 
 export class DevServerConfig extends DefaultServerConfig {
-  r2Bucket(): string {
-    return "openfront-staging";
-  }
   adminToken(): string {
     return "WARNING_DEV_ADMIN_KEY_DO_NOT_USE_IN_PRODUCTION";
   }