dco: remove dco_read/write_bytes from dco_context_t

dco: remove dco_read/write_bytes from dco_context_t

Remove dco_read_bytes and dco_write_bytes from all dco_context_t
structures, as peer statistics are now stored directly in the
corresponding c2 fields across all DCO interfaces.

Change-Id: I61f9d9bb26112eac0c0a47cb9d17982b075887ff
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Acked-by: Gert Doering <gert@greenie.muc.de>
Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1276
Message-Id: <20251017205837.8553-1-gert@greenie.muc.de>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg33431.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>