[flink-tidb-connector] use the exception classes in `flink-table-comm…

…on.jar`, make the connector doesn't depend on `flink-table-planner.jar` (#62)

flink/flink-base/src/main/java/io/tidb/bigdata/flink/tidb/TiDBBaseCatalog.java

@@ -26,8 +26,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
-import org.apache.flink.table.api.TableAlreadyExistException;
-import org.apache.flink.table.api.TableNotExistException;
 import org.apache.flink.table.api.TableSchema;
 import org.apache.flink.table.catalog.AbstractCatalog;
 import org.apache.flink.table.catalog.CatalogBaseTable;
@@ -47,6 +45,8 @@
 import org.apache.flink.table.catalog.exceptions.PartitionAlreadyExistsException;
 import org.apache.flink.table.catalog.exceptions.PartitionNotExistException;
 import org.apache.flink.table.catalog.exceptions.PartitionSpecInvalidException;
+import org.apache.flink.table.catalog.exceptions.TableAlreadyExistException;
+import org.apache.flink.table.catalog.exceptions.TableNotExistException;
 import org.apache.flink.table.catalog.exceptions.TableNotPartitionedException;
 import org.apache.flink.table.catalog.exceptions.TablePartitionedException;
 import org.apache.flink.table.catalog.stats.CatalogColumnStatistics;