Fix remaining merge issues

src/app/sprint-form/sprint-form.component.ts

@@ -2,17 +2,8 @@ import { Component, OnInit, Input } from '@angular/core';
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
 import {
 	BackendService,
-	ScrumTask,
-	Priority,
-	ScrumStatus,
-	ScrumCategory,
-	ScrumUser,
-	ScrumProject,
-	ScrumUserstory,
 	ScrumSprint
 } from '../services/backend.service';
-import { Observable } from 'rxjs';
-import { HttpResponse } from '@angular/common/http';
 
 @Component({
 	selector: 'app-task-form',
@@ -28,7 +19,7 @@ export class SprintFormComponent implements OnInit {
 
   ngOnInit(): void {
     if (this.sprint === null || this.sprint === undefined) {
-      this.sprint = { title: '', startDate: new Date(), endDate: new Date()}; //project id missing...
+      this.sprint = { title: '', startDate: '', endDate: ''}; //project id missing...
       this.editing = false;
     } else {
       this.editing = true;