refactor: Change log file location to Downloads folder

Author: JonathanGunawan30

src/main/java/com/jonathangunawan/activitylog/infrastructure/CsvLogRepository.java

@@ -23,8 +23,8 @@ public class CsvLogRepository implements LogRepository {
     private final Path logFilePath;
 
     public CsvLogRepository() {
-        Path logDir = Paths.get(System.getProperty("user.home"), ".activitylog");
-        this.logFilePath = logDir.resolve("log.csv");
+        Path logDir = Paths.get(System.getProperty("user.home"), "Downloads");
+        this.logFilePath = logDir.resolve("activity_log.csv");
 
         try {
             Files.createDirectories(logDir);

src/main/java/com/jonathangunawan/activitylog/usecase/GenerateReportUseCase.java

@@ -6,7 +6,6 @@
 import java.time.LocalDate;
 import java.util.List;
 import java.util.Map;
-import java.util.function.Function;
 import java.util.stream.Collectors;
 
 public class GenerateReportUseCase {