thrift: Mark static CFs as non-compound
thrift: Mark static CFs as non-compound

By default, the schema is marked as compound regardless of the
comparator. Since a composite comparator for static CFs is currently
unsupported (otherwise thrift column families would be
indistinguishable from CQL ones), just mark them as non-compound.

Signed-off-by: Duarte Nunes <a60e8b7496f7715d71354fe4c06dd24017025bf1@scylladb.com>

raphaelsc/scylla,raphaelsc/scylla,duarten/scylla,raphaelsc/scylla,kjniemi/scylla,scylladb/scylla,avikivity/scylla,kjniemi/scylla,scylladb/scylla,avikivity/scylla,scylladb/scylla,duarten/scylla,duarten/scylla,scylladb/scylla,avikivity/scylla,kjniemi/scylla