bgpd: Removed unused variable from 'struct attr_extra'

The mp_nexthop_local_in variable is never used.  Remove it
from the code base.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Tested-by: NetDEF CI System <cisystem@netdef.org>
diff --git a/bgpd/bgp_attr.h b/bgpd/bgp_attr.h
index fe6c2a1..000ceaa 100644
--- a/bgpd/bgp_attr.h
+++ b/bgpd/bgp_attr.h
@@ -74,7 +74,6 @@
   struct transit *transit;
 
   struct in_addr mp_nexthop_global_in;
-  struct in_addr mp_nexthop_local_in;
   
   /* Aggregator Router ID attribute */
   struct in_addr aggregator_addr;