Removed all TOCs now that GitHub auto-generates them.
Also updated the documentation requirements doc removing the requirement
to add a TOC.
Fixes: #2022.
Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
Split some of the core hypervisor details out of the virtualisation
document and present in a simpler fashion for new users.
Fixes: #1063.
Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>