Remove IntelFrameworkPkg

Remove IntelFrameworkPkg

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1604

Please note a subsequent commit will followed to update the information in
Maintainers.txt to reflect this package removal.

Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Hao A Wu <hao.a.wu@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>