Its sole remaining purpose was to display "proxy foo started", which
has little benefit and pollutes output for those with plenty of proxies.
Let's remove it now.
The VTCs were updated to reflect this, because many of them had explicit
counts of dropped lines to match this message.
This is tagged as MEDIUM because some users may be surprized by the
loss of this quite old message.
This script tests the "cookie <name> insert indirect" directive with
header checks on server and client side. syslog messages are also
checked, especially --II (invalid, insert) flags logging.
Signed-off-by: Frédéric Lécaille <flecaille@haproxy.com>