- libary updates for prettier, eslint and typescript

- uninstall @types/xml2js (save-dev) and core-js (save)
- remove HelloWorld component from app.ts and app2.ts

src/app2.ts

@@ -1,6 +1,5 @@
 import { Component, Vue, Watch } from "vue-facing-decorator";
 // import { RouteLocation } from "vue-router";
-import HelloWorld from "./components/HelloWorld/HelloWorld.vue";
 import HomeViewComponent from "./views/home-view/home-view-component.vue";
 import HelpViewComponent from "./views/help-view/help-view-component.vue";
 import SearchViewComponent from "./views/search-view/search-view-component.vue";
@@ -26,7 +25,7 @@ import { APP_URL, VUE_APP_PORTAL } from "./constants";
 // https://devsoniq.com/how-to-toggle-bulma-css-navbar-in-your-vue-js-project/
 @Component({
     components: {
-        HelloWorld,
+        // HelloWorld,
         HomeViewComponent,
         // VsInput,
         // VsResult,