CLAP-221: department 엔티티 code 속성 제거

Author: parkjaehak

src/main/java/clap/server/adapter/outbound/persistense/entity/member/DepartmentEntity.java

@@ -24,9 +24,6 @@ public class DepartmentEntity extends BaseTimeEntity {
     @JoinColumn(name = "admin_id")
     private MemberEntity admin;
 
-    @Column(nullable = false)
-    private String code;
-
     @Column(nullable = false)
     private String name;
 

src/main/java/clap/server/domain/model/member/Department.java

@@ -13,7 +13,6 @@
 public class Department extends BaseTime {
     private Long departmentId;
     private Long adminId;
-    private String code;
     private String name;
     private DepartmentStatus status;
 }