Backed out changeset 80cad169f5e1 (bug 1868400) for causing node failures at browser.js on a CLOSED TREE

devtools/client/performance-new/shared/browser.js

@@ -105,7 +105,6 @@ async function openProfilerTab(profilerViewMode) {
       forceNonPrivate: true,
       resolveOnContentBrowserCreated,
       userContextId: win.gBrowser?.contentPrincipal.userContextId,
-      relatedToCurrent: true,
     })
   );
   return contentBrowser;