LibWebView: Don't query public suffix list when sanitizing URLs

Previously, part of the procedure we used to sanitize URLs entered via
the command line would check the host against the public suffix
database. This led to some valid, but not publicly accessible URLs
being treated as invalid.

Userland/Libraries/LibWebView/URL.cpp

@@ -16,35 +16,6 @@
 
 namespace WebView {
 
-static Optional<URL::URL> query_public_suffix_list(StringView url_string)
-{
-    auto out = MUST(String::from_utf8(url_string));
-    if (!out.starts_with_bytes("about:"sv) && !out.contains("://"sv))
-        out = MUST(String::formatted("https://{}"sv, out));
-
-    auto url = URL::create_with_url_or_path(out.to_byte_string());
-    if (!url.is_valid())
-        return {};
-
-    if (url.host().has<URL::IPv4Address>() || url.host().has<URL::IPv6Address>())
-        return url;
-
-    if (url.scheme() != "http"sv && url.scheme() != "https"sv)
-        return url;
-
-    if (url.host().has<String>()) {
-        auto const& host = url.host().get<String>();
-
-        if (auto public_suffix = get_public_suffix(host); public_suffix.has_value())
-            return url;
-
-        if (host.ends_with_bytes(".local"sv) || host.ends_with_bytes("localhost"sv))
-            return url;
-    }
-
-    return {};
-}
-
 bool is_public_suffix([[maybe_unused]] StringView host)
 {
 #if defined(ENABLE_PUBLIC_SUFFIX)
@@ -90,11 +61,15 @@ Optional<URL::URL> sanitize_url(StringView url, Optional<StringView> search_engi
         }
     }
 
-    auto result = query_public_suffix_list(url);
-    if (!result.has_value())
+    ByteString url_with_scheme = url;
+    if (!(url_with_scheme.starts_with("about:"sv) || url_with_scheme.contains("://"sv)))
+        url_with_scheme = ByteString::formatted("https://{}"sv, url_with_scheme);
+
+    auto result = URL::create_with_url_or_path(url_with_scheme);
+    if (!result.is_valid())
         return format_search_engine();
 
-    return result.release_value();
+    return result;
 }
 
 static URLParts break_file_url_into_parts(URL::URL const& url, StringView url_string)