LibGfx: Remove OffsetPaintStyle

Author: https://github.com/shlyakpavel
Commit: b4e5afa8d5
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2266
Reviewed-by: https://github.com/kalenikaliaksandr

Libraries/LibGfx/PaintStyle.h

@@ -113,33 +113,6 @@ private:
     Color m_fallback;
 };
 
-class OffsetPaintStyle : public Gfx::PaintStyle {
-public:
-    static ErrorOr<NonnullRefPtr<OffsetPaintStyle>> create(RefPtr<PaintStyle> other, Gfx::AffineTransform transform)
-    {
-        return adopt_nonnull_ref_or_enomem(new (nothrow) OffsetPaintStyle(move(other), transform));
-    }
-
-    virtual void paint(Gfx::IntRect physical_bounding_box, PaintFunction paint) const override
-    {
-        m_other->paint(m_transform.map(physical_bounding_box), [=, this, paint = move(paint)](SamplerFunction sampler) {
-            paint([=, this, sampler = move(sampler)](Gfx::IntPoint point) {
-                return sampler(m_transform.map(point));
-            });
-        });
-    }
-
-private:
-    OffsetPaintStyle(RefPtr<PaintStyle> other, Gfx::AffineTransform transform)
-        : m_other(move(other))
-        , m_transform(transform)
-    {
-    }
-
-    RefPtr<PaintStyle> m_other;
-    Gfx::AffineTransform m_transform;
-};
-
 class GradientPaintStyle : public PaintStyle {
 public:
     ErrorOr<void> add_color_stop(float position, Color color, Optional<float> transition_hint = {})