Revert "pim: Remove connected addresses on loss of zebra connection."

This reverts commit 96b6dfe98793549aca6a7cc77eaf0957b1168ed2.

This depends on the zebra reconnect changes, which we're not picking up
at this point.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
diff --git a/pimd/pim_zebra.c b/pimd/pim_zebra.c
index 8d01573..43c80c8 100644
--- a/pimd/pim_zebra.c
+++ b/pimd/pim_zebra.c
@@ -63,9 +63,7 @@
     pim_if_addr_del_all(ifp);
   }
 
-  /* discard connected addresses because zclient lib will reassign
-     them upon reconnection */
-  if_connected_reset_all();
+  /* upon return, zclient will discard connected addresses */
 }
 
 /* Router-id update message from zebra. */