test_network_ipv6.py : remove wrong icmp type (apache#6361)

Author: weizhouapache

test/integration/smoke/test_network_ipv6.py

@@ -76,7 +76,6 @@
     130: "mld-listener-query",
     131: "mld-listener-report",
     132: "mld-listener-done",
-    132: "mld-listener-reduction",
     133: "nd-router-solicit",
     134: "nd-router-advert",
     135: "nd-neighbor-solicit",