VOLTHA Post Release Tasks

gitreview branch update

Deprecated code marked for release (v2.6, v2.8 after v2.11) can be removed.

Other Versions v: master

Branches: master; voltha-2.11; voltha-2.2; voltha-2.3; voltha-2.4; voltha-2.5; voltha-2.7; voltha-2.8; voltha-2.9