Remove SVG fonts

Source/core/svg/SVGAltGlyphDefElement.h

-/*
- * Copyright (C) 2011 Leo Yang <leoyang@webkit.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef SVGAltGlyphDefElement_h
-#define SVGAltGlyphDefElement_h
-
-#if ENABLE(SVG_FONTS)
-#include "core/SVGNames.h"
-#include "core/svg/SVGElement.h"
-#include "wtf/Vector.h"
-
-namespace blink {
-
-class SVGAltGlyphDefElement final : public SVGElement {
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    DECLARE_NODE_FACTORY(SVGAltGlyphDefElement);
-
-    bool hasValidGlyphElements(Vector<AtomicString>& glyphNames) const;
-
-private:
-    explicit SVGAltGlyphDefElement(Document&);
-
-    virtual bool rendererIsNeeded(const RenderStyle&) override { return false; }
-};
-
-} // namespace blink
-
-#endif // ENABLE(SVG_FONTS)
-#endif // SVGAltGlyphDefElement_h