LibWeb: Remove declarations for non-existent methods

Author: https://github.com/AtkinsSJ
Commit: 7891ad2a28
Pull-request: https://github.com/SerenityOS/serenity/pull/17203
Reviewed-by: https://github.com/linusg ✅

Userland/Libraries/LibWeb/CSS/StyleValue.h

@@ -1377,8 +1377,6 @@ public:
 
     virtual ~ConicGradientStyleValue() override = default;
 
-    CSSPixelPoint resolve_position(Layout::Node const&, CSSPixelRect const&) const;
-
     bool is_repeating() const { return m_repeating == GradientRepeating::Yes; }
 
 private: