pimd: Remove igmp_add_group_by_addr unneeded parameter

The interface name is already passed in as
part of the 'struct igrmp *group' pointer.
No need to do it twice.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Tested-by: NetDEF CI System <cisystem@netdef.org>
Acked-by: Jafar Al-Gharaibeh <jafar@atcorp.com>
3 files changed