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>
The installation guide points to 1.x packages from OBS. For 2.x we
decided to stop building packages on OBS in favour of advertising
kata-deploy.
Apart from this, Ubuntu itself doesn't provide packages for
kata-containers.
Fixes: #1588
Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>