chore: remove redundant modules

Signed-off-by: StandingMan <jmtangcs@gmail.com>

Author: Standing-Man

src/operator/src/statement/copy_table_from.rs

@@ -22,7 +22,7 @@ use common_base::readable_size::ReadableSize;
 use common_datasource::file_format::csv::CsvFormat;
 use common_datasource::file_format::json::JsonFormat;
 use common_datasource::file_format::orc::{ReaderAdapter, infer_orc_schema, new_orc_stream_reader};
-use common_datasource::file_format::{FileFormat, Format};
+use common_datasource::file_format::{FileFormat, Format, file_to_stream};
 use common_datasource::lister::{Lister, Source};
 use common_datasource::object_store::{FS_SCHEMA, build_backend, parse_url};
 use common_datasource::util::find_dir_and_filename;
@@ -33,7 +33,6 @@ use common_telemetry::{debug, tracing};
 use datafusion::datasource::physical_plan::{CsvSource, FileSource, JsonSource};
 use datafusion::parquet::arrow::ParquetRecordBatchStreamBuilder;
 use datafusion::parquet::arrow::arrow_reader::ArrowReaderMetadata;
-use datafusion::physical_plan::metrics::ExecutionPlanMetricsSet;
 use datafusion_common::SchemaExt;
 use datafusion_expr::Expr;
 use datatypes::arrow::compute::can_cast_types;