SeriesInfoExtractorServiceImpl: rename local variable (candidates -> names).

Follow-up to #821

No functional changes.

Author: php-coder

src/main/java/ru/mystamps/web/service/SeriesInfoExtractorServiceImpl.java

@@ -113,8 +113,8 @@ protected List<Integer> extractCategory(String fragment) {
 
 		log.debug("Determining category from a fragment: '{}'", fragment);
 
-		String[] candidates = StringUtils.split(fragment, "\n\t ,");
-		List<String> uniqueCandidates = Arrays.stream(candidates)
+		String[] names = StringUtils.split(fragment, "\n\t ,");
+		List<String> uniqueCandidates = Arrays.stream(names)
 			.filter(tooShortCategoryName)
 			.filter(tooLongCategoryName)
 			.filter(invalidCategoryName)
@@ -153,8 +153,8 @@ protected List<Integer> extractCountry(String fragment) {
 
 		log.debug("Determining country from a fragment: '{}'", fragment);
 
-		String[] candidates = StringUtils.split(fragment, "\n\t ,");
-		List<String> uniqueCandidates = Arrays.stream(candidates)
+		String[] names = StringUtils.split(fragment, "\n\t ,");
+		List<String> uniqueCandidates = Arrays.stream(names)
 			.filter(tooShortCountryName)
 			.filter(tooLongCountryName)
 			.filter(invalidCountryName)