Remove FontFamily.h/.cpp
https://bugs.webkit.org/show_bug.cgi?id=116788

Reviewed by Anders Carlsson.

Empty files.

* CMakeLists.txt:
* GNUmakefile.list.am:
* Target.pri:
* WebCore.vcproj/WebCore.vcproj:
* WebCore.vcxproj/WebCore.vcxproj:
* WebCore.xcodeproj/project.pbxproj:
* platform/graphics/FontDescription.h:
* platform/graphics/FontFamily.cpp: Removed.
* platform/graphics/FontFamily.h: Removed.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@150719 268f45cc-cd09-0410-ab3c-d52691b4dbfc