This gets rid of some statics and drops some duplicate code:
- the X11 based GlyphCache => gone
- the svp version of the GlyphCache => gone
- the "normal" GlyphCache
- the PrintFontManager

And while at it move the implementation into its own file
gendata.cxx.

Change-Id: I9063139c9482f5f37285505f389cf5f32c02426b
Reviewed-on: https://gerrit.libreoffice.org/61454
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>