refactor: remove unused TestObjects.createSitemapInfoDto() method

Should be in b7a4051 commit.

Part of #1668

Author: php-coder

src/test/java/ru/mystamps/web/service/TestObjects.java

@@ -19,7 +19,6 @@
 
 import ru.mystamps.web.common.EntityWithParentDto;
 import ru.mystamps.web.common.LinkEntityDto;
-import ru.mystamps.web.common.SitemapInfoDto;
 import ru.mystamps.web.common.SlugUtils;
 import ru.mystamps.web.feature.account.AddUserDbDto;
 import ru.mystamps.web.feature.account.UserDetails;
@@ -123,10 +122,6 @@ public static ImageDto createImageDto() {
 		return new ImageDto("PNG", "test".getBytes(StandardCharsets.UTF_8));
 	}
 
-	public static SitemapInfoDto createSitemapInfoDto() {
-		return new SitemapInfoDto(String.valueOf(Random.id()), Random.date());
-	}
-	
 	public static SeriesInfoDto createSeriesInfoDto() {
 		String category = Random.categoryName();
 		String country = Random.countryName();