Don't mark non-copyable QFontEngineFT::QGlyphSet as Q_RELOCATABLE_TYPE

QGlyphSet is Q_DISABLE_COPY()'d.

Marking it also as Q_RELOCATABLE_TYPE incorrectly allows Qt containers
to use realloc() or memcpy() to relocate a type that was explicitly
designed not to be copied (or moved).

Amends 2c47d53249.

Pick-to: 6.5
Change-Id: I053f6bb25d4d6e2359f43f0dbf9c19667dfff170
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

src/gui/text/freetype/qfontengine_ft_p.h

@@ -325,8 +325,6 @@ private:
     QFixed scalableBitmapScaleFactor;
 };
 
-Q_DECLARE_TYPEINFO(QFontEngineFT::QGlyphSet, Q_RELOCATABLE_TYPE);
-
 
 inline size_t qHash(const QFontEngineFT::GlyphAndSubPixelPosition &g, size_t seed = 0)
 {