remove ununsed variable

Author: crimsonred

PubNubUnity/Assets/PubNub/Builders/History/MessageCountsRequestBuilder.cs

@@ -15,7 +15,6 @@ public MessageCountsRequestBuilder(PubNubUnity pn):base(pn, PNOperationType.PNMe
         private string TimetokenToUse {get; set;}
 
         private List<string> ChannelTimetokensToUse {get; set;}
-        private bool IncludeTimetokenInHistory;
 
         public MessageCountsRequestBuilder Channels(List<string> channelNames){
             ChannelsToUse = channelNames;