fix: 포인트 정책 등록 - request에 활성화 여부 제거

src/main/kotlin/kr/co/vividnext/sodalive/admin/point/CreatePointRewardPolicyRequest.kt

@@ -12,8 +12,7 @@ data class CreatePointRewardPolicyRequest(
     val threshold: Int,
     val pointAmount: Int,
     val startDate: String,
-    val endDate: String,
-    val isActive: Boolean
+    val endDate: String
 ) {
     fun toEntity(): PointRewardPolicy {
         val dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm")
@@ -31,7 +30,7 @@ data class CreatePointRewardPolicyRequest(
                 .atZone(ZoneId.of("Asia/Seoul"))
                 .withZoneSameInstant(ZoneId.of("UTC"))
                 .toLocalDateTime(),
-            isActive = isActive
+            isActive = true
         )
     }
 }