fix: 크리에이터 팔로우 API

- 본인은 팔로우 되지 않도록 수정

src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt

@@ -461,6 +461,8 @@ class MemberService(
 
     @Transactional
     fun creatorFollow(creatorId: Long, isNotify: Boolean, isActive: Boolean, memberId: Long) {
+        if (creatorId == memberId) return
+
         val creatorFollowing = creatorFollowingRepository.findByCreatorIdAndMemberId(
             creatorId = creatorId,
             memberId = memberId
@@ -912,12 +914,6 @@ class MemberService(
         return MemberResolveResult(member = member, isNew = true)
     }
 
-    fun getPushTokenList(recipient: Long): List<String> {
-        return repository.getPushTokenList(recipient)
-            .toSet()
-            .toList()
-    }
-
     private fun checkEmail(email: String) {
         val member = repository.findByEmail(email)