[ACS-5645]removed unwanted code

lib/content-services/src/lib/content-metadata/components/content-metadata/content-metadata.component.scss

@@ -22,7 +22,6 @@
                 width: 80px;
             }
         }
-    }
 
         .mat-expansion-panel:not([class*='mat-elevation-z']) {
             box-shadow: none;

lib/content-services/src/lib/content-metadata/components/content-metadata/content-metadata.component.ts

@@ -601,10 +601,6 @@ export class ContentMetadataComponent implements OnChanges, OnInit, OnDestroy {
         );
     }
 
-    private isEmpty(value: any): boolean {
-        return value === undefined || value === null || value === '';
-    }
-
     private loadCategoriesForNode(nodeId: string) {
         this.assignedCategories = [];
         this.categoryService.getCategoryLinksForNode(nodeId).subscribe((categoryPaging) => {