OZG-3452 remove duplicate file removing

formsolutions-adapter/src/main/java/de/itvsh/kop/eingangsadapter/formsolutions/FormSolutionsRepresentationsMapper.java

@@ -112,9 +112,7 @@ class FormSolutionsRepresentationsMapper {
 
 	long getFileSize(Path path) {
 		try {
-			var size = Files.size(path);
-			Files.deleteIfExists(path);
-			return size;
+			return Files.size(path);
 		} catch (IOException e) {
 			throw new TechnicalException("Error calculate size of tmp file.", e);
 		}