refactor: remove unused Random.importRequestStatuses() method

Should be in db5a330 commit.

Part of #1668

Author: php-coder

src/test/java/ru/mystamps/web/tests/Random.java

@@ -219,10 +219,6 @@ public static String importRequestStatus() {
 		return sample(STATUSES);
 	}
 
-	public static List<String> importRequestStatuses(int numToReturn) {
-		return sampleMultiple(numToReturn, STATUSES);
-	}
-	
 	public static Set<String> solovyovNumbers() {
 		return catalogNumbers();
 	}