add way of removing a goal (#88)

closes #66

Reviewed-on: #88

frontend/allowance-planner-v2/src/app/pages/edit-allowance/edit-allowance.page.ts

@@ -93,4 +93,9 @@ export class EditAllowancePage implements OnInit {
 
     this.router.navigate(['/tabs/allowance', this.userId]);
   }
+
+  deleteAllowance() {
+    this.allowanceService.deleteAllowance(this.goalId, this.userId);
+    this.router.navigate(['/tabs/allowance', this.userId]);
+  }
 }