LibWeb/CSS: Remove document-URL hack from create_a_style_sheet()

We no longer need this, because we don't complete URLs during parsing,
and the location is set elsewhere when needed.

Author: AtkinsSJ

Libraries/LibWeb/CSS/StyleSheetList.cpp

@@ -66,9 +66,7 @@ GC::Ref<CSSStyleSheet> StyleSheetList::create_a_css_style_sheet(String const& cs
 {
     // 1. Create a new CSS style sheet object and set its properties as specified.
     // AD-HOC: The spec never tells us when to parse this style sheet, but the most logical place is here.
-    // AD-HOC: Are we supposed to use the document's URL for the stylesheet's location during parsing? Not doing it breaks things.
-    auto location_url = location.value_or(document().url());
-    auto sheet = parse_css_stylesheet(Parser::ParsingParams { document() }, css_text, location_url);
+    auto sheet = parse_css_stylesheet(Parser::ParsingParams { document() }, css_text, location);
 
     sheet->set_parent_css_style_sheet(parent_style_sheet);
     sheet->set_owner_css_rule(owner_rule);