chore: 빈줄 삭제

Author: endorsement0912

src/main/java/grep/neogulcoder/domain/timevote/dto/request/TimeVoteDateMaskRequest.java

@@ -1,7 +1,6 @@
 package grep.neogulcoder.domain.timevote.dto.request;
 
 import java.time.LocalDate;
-
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotNull;
 import lombok.AccessLevel;