remove obsolete constructor

src/app/notifications/suggestion-list-element/suggestion-list-element.component.ts

@@ -6,7 +6,6 @@ import {
   OnInit,
   Output,
 } from '@angular/core';
-import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
 import { TranslateModule } from '@ngx-translate/core';
 import { Suggestion } from 'src/app/core/notifications/suggestions/models/suggestion.model';
 
@@ -62,13 +61,6 @@ export class SuggestionListElementComponent implements OnInit {
    */
   @Output() selected = new EventEmitter<boolean>();
 
-  /**
-   * Initialize instance variables
-   *
-   * @param {NgbModal} modalService
-   */
-  constructor(private modalService: NgbModal) { }
-
   ngOnInit() {
     this.listableObject = {
       indexableObject: Object.assign(new Item(), { id: this.object.id, metadata: this.object.metadata }),