code refactoring

frontend/src/atoms/ui.ts

@@ -1,5 +1,4 @@
 import { atom, selector } from 'recoil'
-import { RPCResult } from '../types'
 import { activeDownloadsState } from './downloads'
 
 export const loadingAtom = atom({
@@ -7,11 +6,6 @@ export const loadingAtom = atom({
   default: true
 })
 
-export const optimisticDownloadsState = atom<RPCResult[]>({
-  key: 'optimisticDownloadsState',
-  default: []
-})
-
 export const totalDownloadSpeedState = selector<number>({
   key: 'totalDownloadSpeedState',
   get: ({ get }) => get(activeDownloadsState)