The VDBox/VDEnc/HuC/PAK/VME/VEBox-SFC links in README.md all point to
01.org URLs that no longer resolve and redirect to a generic Intel page.
Drop the broken hyperlinks and keep the terms as plain text.

Fixes: https://github.com/intel/media-driver/issues/1913

Signed-off-by: Carl.Zhang <carl.zhang@intel.com>