remove text from close-button in the document-detail view

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src-ui/src/app/components/document-detail/document-detail.component.html

@@ -37,7 +37,7 @@
     <button type="button" class="btn btn-sm btn-outline-primary me-2" i18n-title title="Close" (click)="close()">
         <svg class="buttonicon" fill="currentColor">
             <use xlink:href="assets/bootstrap-icons.svg#x" />
-        </svg>&nbsp;<span class="d-none d-lg-inline" i18n>Close</span>
+        </svg>
     </button>
 
     <div class="button-group">