[DURACOM-383] lint-fix

Author: Micheleboychuk

src/app/collection-page/delete-collection-page/delete-collection-page.component.spec.ts

@@ -12,7 +12,6 @@ import {
 import { RouterTestingModule } from '@angular/router/testing';
 import { DSONameService } from '@dspace/core/breadcrumbs/dso-name.service';
 import { CollectionDataService } from '@dspace/core/data/collection-data.service';
-import { RequestService } from '@dspace/core/data/request.service';
 import { NotificationsService } from '@dspace/core/notification-system/notifications.service';
 import { DSONameServiceMock } from '@dspace/core/testing/dso-name.service.mock';
 import { TranslateModule } from '@ngx-translate/core';

src/app/community-page/delete-community-page/delete-community-page.component.spec.ts

@@ -12,7 +12,6 @@ import {
 import { RouterTestingModule } from '@angular/router/testing';
 import { DSONameService } from '@dspace/core/breadcrumbs/dso-name.service';
 import { CommunityDataService } from '@dspace/core/data/community-data.service';
-import { RequestService } from '@dspace/core/data/request.service';
 import { NotificationsService } from '@dspace/core/notification-system/notifications.service';
 import { DSONameServiceMock } from '@dspace/core/testing/dso-name.service.mock';
 import { TranslateModule } from '@ngx-translate/core';

src/app/item-page/edit-item-page/item-delete/item-delete.component.ts

@@ -23,7 +23,6 @@ import { Item } from '@dspace/core/shared/item.model';
 import { Relationship } from '@dspace/core/shared/item-relationships/relationship.model';
 import { RelationshipType } from '@dspace/core/shared/item-relationships/relationship-type.model';
 import { MetadataValue } from '@dspace/core/shared/metadata.models';
-import { NoContent } from '@dspace/core/shared/NoContent.model';
 import {
   getFirstCompletedRemoteData,
   getFirstSucceededRemoteData,

src/app/shared/comcol/comcol-forms/delete-comcol-page/delete-comcol-page.component.ts

@@ -12,7 +12,6 @@ import { RemoteData } from '@dspace/core/data/remote-data';
 import { NotificationsService } from '@dspace/core/notification-system/notifications.service';
 import { Collection } from '@dspace/core/shared/collection.model';
 import { Community } from '@dspace/core/shared/community.model';
-import { NoContent } from '@dspace/core/shared/NoContent.model';
 import { getFirstCompletedRemoteData } from '@dspace/core/shared/operators';
 import { TranslateService } from '@ngx-translate/core';
 import {