Purge all vue-class-component with vue-facing-decorator.

Make some strike-throughs for project-task
Update package.json

src/views/ImportAccountView.vue

@@ -43,12 +43,12 @@
 </template>
 
 <script lang="ts">
-import { Options, Vue } from "vue-class-component";
+import { Component, Vue } from "vue-facing-decorator";
 import { deriveAddress, newIdentifier } from "../libs/crypto";
 import { accountsDB, db } from "@/db";
 import { MASTER_SETTINGS_KEY } from "@/db/tables/settings";
 
-@Options({
+@Component({
   components: {},
 })
 export default class ImportAccountView extends Vue {