update tslint -> eslint

src/app/modules/presentation/services/presentation.service.spec.ts

@@ -6,11 +6,11 @@ describe('PresentationService', () => {
   let service: PresentationService;
 
   beforeEach(() => {
-    TestBed.configureTestingModule({});
+    void TestBed.configureTestingModule({});
     service = TestBed.inject(PresentationService);
   });
 
   it('should be created', () => {
-    expect(service).toBeTruthy();
+    void expect(service).toBeTruthy();
   });
 });

src/app/modules/presentation/services/presentation.service.ts

@@ -1,10 +1,6 @@
 import {Injectable} from '@angular/core';
 
 @Injectable({
-  providedIn: 'root'
+  providedIn: 'root',
 })
-export class PresentationService {
-
-  constructor() {
-  }
-}
+export class PresentationService {}