Fix linter warning

src/app.ts

@@ -78,7 +78,7 @@ function loadRcExport(entity: Entities): Promise<void> {
         throw new Error(`Unhandled Entity: ${entity}`)
     }
   })
-  return new Promise((resolve, reject) => {
+  return new Promise((resolve) => {
     rl.on('close', () => {
       resolve()
     })