Update:Backups API endpoints, add get all backups route, update socket init event payload

client/store/index.js

@@ -21,7 +21,6 @@ export const state = () => ({
   processingBatch: false,
   previousPath: '/',
   showExperimentalFeatures: false,
-  backups: [],
   bookshelfBookIds: [],
   openModal: null,
   innerModalOpen: false,
@@ -245,9 +244,6 @@ export const mutations = {
     state.showExperimentalFeatures = val
     localStorage.setItem('experimental', val ? 1 : 0)
   },
-  setBackups(state, val) {
-    state.backups = val.sort((a, b) => b.createdAt - a.createdAt)
-  },
   setOpenModal(state, val) {
     state.openModal = val
   },