fix: 라이브 후원 합계 API

- 안쓰는 파라미터 제거

src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomController.kt

@@ -171,7 +171,7 @@ class LiveRoomController(
     ) = run {
         if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
 
-        ApiResponse.ok(service.getDonationTotal(roomId, memberId = member.id!!))
+        ApiResponse.ok(service.getDonationTotal(roomId))
     }
 
     @PutMapping("/info/set/speaker")

src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomService.kt

@@ -997,7 +997,7 @@ class LiveRoomService(
         )
     }
 
-    fun getDonationTotal(roomId: Long, memberId: Long): GetLiveRoomDonationTotalResponse {
+    fun getDonationTotal(roomId: Long): GetLiveRoomDonationTotalResponse {
         return GetLiveRoomDonationTotalResponse(
             totalDonationCan = repository.getDonationTotal(roomId = roomId) ?: 0
         )