teamd: add teamd_zmq_common.h to noinst headers

Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
libteamdctl: zmq: remove include of teamd.h

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
zmq: remove unused my_free_msg

Signed-off-by: Jiri Pirko <jiri@resnulli.us>