fix(creator-channel): FanTalk 엔티티 data class 선언을 제거한다

src/main/kotlin/kr/co/vividnext/sodalive/explorer/profile/CreatorCheers.kt

@@ -10,7 +10,7 @@ import javax.persistence.ManyToOne
 import javax.persistence.OneToMany
 
 @Entity
-data class CreatorCheers(
+class CreatorCheers(
     @Column(columnDefinition = "TEXT", nullable = false)
     var cheers: String,
     var languageCode: String?,