chore: 불필요 getter 제거

Author: dlsrks1021

backend/src/main/java/io/f1/backend/domain/stat/entity/Stat.java

@@ -14,11 +14,9 @@
 
 import lombok.AccessLevel;
 import lombok.Builder;
-import lombok.Getter;
 import lombok.NoArgsConstructor;
 
 @Entity
-@Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class Stat extends BaseEntity {