chore: 불필요한 import 제거

Author: leebs0521

src/test/java/com/somemore/volunteerapply/service/ApproveVolunteerApplyServiceTest.java

@@ -16,7 +16,6 @@
 import com.somemore.recruitboard.repository.RecruitBoardRepository;
 import com.somemore.volunteerapply.domain.VolunteerApply;
 import com.somemore.volunteerapply.repository.VolunteerApplyRepository;
-import com.somemore.volunteerapply.service.ApproveVolunteerApplyService;
 import java.util.UUID;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;