remove long term type
remove long term type

Patch by eevans for CASSANDRA-2027

git-svn-id: ce578975814d92a5db082aa57017592cbc0888ae@1080022 13f79535-47bb-0310-9956-ffa450edef68

pcmanus/python-cql,josh-mckenzie/cassandra-dbapi2,diezguerra/cassandra-dbapi2,mshuler/cassandra-dbapi2,stanhu/cassandra-dbapi2,iflatness/cql,maraca/cassandra-dbapi2,CanWeStudio/cassandra-dbapi2,iGivefirst/cassandra-dbapi2,flowroute/cassandra-dbapi2,EnigmaCurry/cassandra-dbapi2,pandu-rao/cassandra-dbapi2