Backed out changeset fe2ffeac3ec2 (bug 1783521) for marionette failure on test_restore_manually.py . CLOSED TREE

browser/base/content/browser.xhtml

@@ -142,7 +142,6 @@
   window.addEventListener("DOMContentLoaded",
     gBrowserInit.onDOMContentLoaded.bind(gBrowserInit), { once: true });
 </script>
-<script type="module" src="chrome://browser/content/tabpreview/tabpreview.mjs"></script>
 </head>
 <html:body xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 # All sets except for popupsets (commands, keys, and stringbundles)