[SCSI] libfc: remove duplicate ema_list init

As ema_list is already initialized by libfc_host_alloc.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>