MauroDataMappergh-662 Fix eslint failures

src/app/shared/data-elements-list/data-elements-list.component.ts

@@ -30,7 +30,7 @@ import { StateHandlerService } from '@mdm/services/handlers/state-handler.servic
 import { MdmResourcesService } from '@mdm/modules/resources';
 import { merge, Observable } from 'rxjs';
 import { catchError, map, startWith, switchMap } from 'rxjs/operators';
-import { MatSort, Sort } from '@angular/material/sort';
+import { MatSort } from '@angular/material/sort';
 import { MatTable } from '@angular/material/table';
 import { MdmPaginatorComponent } from '../mdm-paginator/mdm-paginator';
 import { MatDialog } from '@angular/material/dialog';
@@ -320,6 +320,4 @@ export class DataElementsListComponent implements AfterViewInit {
         }
       });
   }
-
-  isUnorderedDataSource
 }