[fix] remove the unused module
@@ -7,8 +7,6 @@ use common_planners::PlanNode;
use common_runtime::tokio;
use criterion::Criterion;
use fuse_query::interpreters::SelectInterpreter;
-use fuse_query::servers::MySQLConnection;
-use fuse_query::sessions::session_ref::SessionRef;
use fuse_query::sessions::SessionManager;
use fuse_query::sql::PlanParser;
use futures::StreamExt;
