Remove usage of NSURLErrorFailingURLStringErrorKey in TestWebKitAPI.WKNavigation since the new HTTP stack no longer produces this key
Pull request: https://github.com/WebKit/WebKit/pull/28749
TestWebKitAPI.WKNavigation.HTTPSOnlyWithHTTPRedirect TestWebKitAPI.WKNavigation.HTTPSOnlyWithSameSiteBypass
Committed 279011@main (824d8aecc8c0): <https://commits.webkit.org/279011@main> Reviewed commits have been landed. Closing PR #28749 and removing active labels.
<rdar://problem/128417558>