RemotePlan is not used

Signed-off-by: Xuanwo <github@xuanwo.io>

Author: Xuanwo

src/query/legacy-planners/src/lib.rs

@@ -29,7 +29,6 @@ mod plan_node_stage_table;
 mod plan_node_statistics;
 mod plan_partition;
 mod plan_read_datasource;
-mod plan_remote;
 mod plan_setting;
 mod plan_sink;
 mod plan_table_recluster;
@@ -66,9 +65,6 @@ pub use plan_partition::PartInfoPtr;
 pub use plan_partition::Partitions;
 pub use plan_read_datasource::ReadDataSourcePlan;
 pub use plan_read_datasource::SourceInfo;
-pub use plan_remote::RemotePlan;
-pub use plan_remote::V1RemotePlan;
-pub use plan_remote::V2RemotePlan;
 pub use plan_setting::SettingPlan;
 pub use plan_setting::VarValue;
 pub use plan_sink::SINK_SCHEMA;