refactor: eliminate useless usage of the GeneratedKeyHolder.

No functional changes.

Author: php-coder

src/main/java/ru/mystamps/web/feature/series/importing/JdbcSeriesImportDao.java

@@ -198,13 +198,7 @@ public void addParsedData(Integer requestId, AddSeriesParsedDataDbDto data) {
 		params.put("perforated", data.getPerforated());
 		params.put("michel_numbers", data.getMichelNumbers());
 
-		KeyHolder holder = new GeneratedKeyHolder();
-		
-		int affected = jdbcTemplate.update(
-			addParsedDataSql,
-			new MapSqlParameterSource(params),
-			holder
-		);
+		int affected = jdbcTemplate.update(addParsedDataSql, params);
 
 		Validate.validState(
 			affected == 1,

src/main/java/ru/mystamps/web/feature/series/importing/sale/JdbcSeriesSalesImportDao.java

@@ -21,10 +21,7 @@
 import org.apache.commons.lang3.Validate;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.dao.EmptyResultDataAccessException;
-import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
 import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
-import org.springframework.jdbc.support.GeneratedKeyHolder;
-import org.springframework.jdbc.support.KeyHolder;
 
 import java.util.Collections;
 import java.util.HashMap;
@@ -54,13 +51,7 @@ public void addParsedData(Integer requestId, SeriesSalesParsedDataDbDto data) {
 		params.put("created_at", data.getCreatedAt());
 		params.put("updated_at", data.getUpdatedAt());
 
-		KeyHolder holder = new GeneratedKeyHolder();
-		
-		int affected = jdbcTemplate.update(
-			addParsedDataSql,
-			new MapSqlParameterSource(params),
-			holder
-		);
+		int affected = jdbcTemplate.update(addParsedDataSql, params);
 
 		Validate.validState(
 			affected == 1,