CC enablement doesn't influence custom titlebar enablement (microsoft#162432)

mitigates microsoft#161948
undoes microsoft#151892
(likely) fixes microsoft#158359

Author: jrieken

src/vs/workbench/browser/layout.ts

@@ -1061,11 +1061,6 @@ export abstract class Layout extends Disposable implements IWorkbenchLayoutServi
 			return true;
 		}
 
-		// with the command center enabled, we should always show
-		if (this.configurationService.getValue<boolean>('window.commandCenter')) {
-			return true;
-		}
-
 		// remaining behavior is based on menubar visibility
 		switch (getMenuBarVisibility(this.configurationService)) {
 			case 'classic':