eventscripts: Don't update static routes on "recovered" event

Routes only need to be updated when IPs have moved.  IP takeover runs
will generate "ipreallocated", which is enough.  "recovered" always
follows "ipreallocated" anyway, so avoid the redundancy.

Signed-off-by: Martin Schwenke <martin@meltin.net>

(This used to be ctdb commit 1152215fc69217e4292762e28d193b7ea0e06ee3)

ctdb/config/events.d/11.routing

@@ -23,7 +23,7 @@ loadconfig
 }
 
 case "$1" in
-    recovered|ipreallocated)
+    ipreallocated)
         while read iface dest gw; do
             ip route add "$dest" via "$gw" dev "$iface" >/dev/null 2>&1
         done <"${CTDB_BASE}/static-routes"