Removing security.data_uri.block_toplevel_data_uri_navigations pref

Differential Revision: https://phabricator.services.mozilla.com/D274022

bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1895528
gecko-commit: bda3131080668e997faf3945dc1db1bd6b4a9df4
gecko-reviewers: gregp, extension-reviewers, devtools-reviewers, sessionstore-reviewers, akulyk, nchevobbe, sthompson, robwu, dom-core, firefox-build-system-reviewers, smaug, ahochheiden, tschuster, whimboo

Author: JoeCardoso13

webdriver/tests/bidi/script/add_preload_script/execution_order_tentative.py

@@ -71,7 +71,6 @@ async def test_preload_script_properties_available_immediately(
     try:
         if access_type == "data_url":
             # ensure the inline script was executed
-            # currently this times out in Chrome when create_type is "popup"
             await wait_for_future_safe(on_loaded)
 
         if access_type == "current_context_with_url" or access_type == "current_context_without_url" or access_type == "current_context_with_non_blank_url":