remove dead code

modules/game/src/main/GameRepo.scala

@@ -193,41 +193,9 @@ object GameRepo {
     } map (~_)
   }
 
-  // get userId opponents sorted by their number of games
-  // def bestOpponents(userId: String): Fu[List[String]] = {
-  //   val command = MapReduce(
-  //     collectionName = gameTube.coll.name,
-  //     mapFunction = """function() {
-  // for(i in this.uids) { 
-  //   if(this.uids[i] != '%s') emit(this.uids[i], 1) 
-  // }
-  // }""" format userId,
-  //     reduceFunction = """function(key, values) { return Array.sum(values); }""",
-  //     query = Some(JsObjectWriter write Json.obj("uids" -> userId))
-  //   )
-  //   gameTube.coll.db.command(command) map { obj ⇒
-  //     val pairs = toJSON(obj).arr("results") ?? { res ⇒
-  //       (res.value.toList map { o ⇒
-  //         o str "_id" flatMap { id ⇒
-  //           o int "value" map { id -> _ }
-  //         }
-  //       }).flatten
-  //     } 
-  //     pairs sortBy (_._2) map (_._1)
-  //   }
-  // }
   def bestOpponents(userId: String, limit: Int): Fu[List[(String, Int)]] = {
     import reactivemongo.bson._
     import reactivemongo.core.commands._
-    // db.game4.aggregate(
-    // {$match: {uids:'controlaltdelete'}}, 
-    // {$match: {uids:{$size:2}}}, 
-    // {$unwind:'$uids'},
-    // {$match: {uids:{$ne:'controlaltdelete'}}},
-    // {$group:{_id:'$uids',games: { $sum: 1 }}},
-    // {$sort: {'games': -1}},
-    // {$limit:10},
-    // {$project:{_id:1}})
     val command = Aggregate(gameTube.coll.name, Seq(
       Match(BSONDocument("uids" -> userId)),
       Match(BSONDocument("uids" -> BSONDocument("$size" -> BSONInteger(2)))),