Removed list mutation assertion commit.
Removed list mutation assertion commit.

daverigby/kv_engine,jimwwalker/memcached,owendCB/memcached,zbase/memcached,Metaswitch/memcached,cloudrain21/memcached-1,zbase/memcached,owendCB/memcached,jimwwalker/memcached,daverigby/kv_engine,cloudrain21/memcached-1,abhinavdangeti/memcached,jimwwalker/memcached,cloudrain21/memcached-1,mrkwse/memcached,daverigby/kv_engine,Metaswitch/memcached,Metaswitch/memcached,owendCB/memcached,abhinavdangeti/memcached,daverigby/kv_engine,Metaswitch/memcached,couchbase/memcached,abhinavdangeti/memcached,mrkwse/memcached,cloudrain21/memcached-1,mrkwse/memcached,couchbase/memcached,couchbase/memcached,daverigby/memcached,mrkwse/memcached,zbase/memcached,couchbase/memcached,abhinavdangeti/memcached,daverigby/memcached,daverigby/memcached,daverigby/memcached,zbase/memcached,owendCB/memcached,zbase/memcached,Metaswitch/memcached,abhinavdangeti/memcached