refactor: remove helperHeader

Author: jsjoeio

lib/vscode/src/vs/workbench/contrib/extensions/browser/extensionsViewlet.ts

@@ -438,8 +438,7 @@ export class ExtensionsViewPaneContainer extends ViewPaneContainer implements IE
 			dismiss.style.textAlign = 'right';
 			dismiss.style.cursor = 'pointer';
 			dismiss.onclick = () => {
-				// Eventually removes helperHeader from DOM
-				setTimeout(() => helperHeader.remove());
+				helperHeader.remove();
 				localStorage.setItem(extensionHelperLocalStorageKey, 'viewed');
 			};
 		}