Remove duplicated lines

.gitignore

@@ -42,4 +42,3 @@ testem.log
 # System files
 .DS_Store
 Thumbs.db
-.nx/cache/18.3.4-nx.win32-x64-msvc.node

src/app/components/login/login.component.ts

@@ -50,7 +50,6 @@ export class LoginComponent {
     private userService: UserService,
     private formBuilder: FormBuilder
   ) {
-    this.userService = userService;
   }
 
   loginAction() {

src/app/components/register/register.component.ts

@@ -49,7 +49,6 @@ export class RegisterComponent {
     private userService: UserService,
     private formBuilder: FormBuilder
   ) {
-    this.userService = userService;
   }
 
   register() {