docs: remove bullet point (done)

- This bullet can actually be done via tc(8).

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
ifpps: fixed obsolete help text

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
trafgen: minor: cosmetic clean in struct

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>