SUPPORT-9170: remove version requests; add health endpoint

frontend/src/ts/modules/app/app.module.ts

@@ -14,7 +14,6 @@ import {
 import {AppHeaderComponent} from "./component/app-header.component";
 import {AppFooterComponent} from "./component/app-footer.component";
 import {AccessDeniedComponent} from "./component/access-denied.component";
-import {ApplicationVersionComponent} from "./component/application-version.component";
 import {RouterModule} from "@angular/router";
 import {InternationalPhoneNumberModule} from "ngx-international-phone-number";
 import {AppProgressIndicationComponent} from "./component/app-progress-indication.component";
@@ -31,7 +30,6 @@ registerLocaleData(localeRu);
 export const DIRECTIVES = [
   forwardRef(() => AppHeaderComponent),
   forwardRef(() => AppFooterComponent),
-  forwardRef(() => ApplicationVersionComponent),
   forwardRef(() => LogOutComponent),
   forwardRef(() => AccessDeniedComponent),
   forwardRef(() => AppProgressIndicationComponent),

frontend/src/ts/modules/app/component/application-version.component.ts

@@ -1,24 +0,0 @@
-import {ChangeDetectionStrategy, ChangeDetectorRef, Component, Input} from "@angular/core";
-import {HttpClient} from "@angular/common/http";
-
-@Component({
-  moduleId: module.id,
-  selector: "application-version",
-  templateUrl: "../../../../../src/resources/template/app/component/application_version.html",
-  changeDetection: ChangeDetectionStrategy.OnPush
-})
-export class ApplicationVersionComponent {
-  @Input()
-  public applicationVersion: string;
-
-  constructor(private httpClient: HttpClient, private cd: ChangeDetectorRef) {
-    this.loadAppVersion(); //TODO: check version url
-  }
-
-  private loadAppVersion() {
-    this.httpClient.get("version").toPromise().then((version: any) => {
-      this.applicationVersion = version.number;
-      this.cd.markForCheck();
-    })
-  }
-}

frontend/src/ts/modules/security/authentication.service.ts

@@ -13,7 +13,7 @@ export class AuthenticationService {
   }
 
   checkAuthentication(): Promise<any>{
-    return this.appConfigService.load().then(() => this.http.get<any>("version").toPromise())
+    return this.appConfigService.load();
   }
 
   logout(): Promise<string> {