Revert "block: Adding ROW scheduling algorithm"

This reverts commit a0b0af00a20c969d2024a4e52fa59ac05d55122f.
Revert "Fix broken backport for IPv6 tunnels"

This reverts commit c9914f8070ce189ae2a728c49a7003a58fbb5165.
Bump to Rc-030113 !

Signed-off-by: AdiPat <adithemagnificent@gmail.com>