update connection pooling

MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs

@@ -45,12 +45,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                                 "create table if not exists userdata (key nvarchar, userId GUID, rating float null, played bit, playCount int, isFavorite bit, playbackPositionTicks bigint, lastPlayedDate datetime null)",
 
                                 "create index if not exists idx_userdata on userdata(key)",
-                                "create unique index if not exists userdataindex on userdata (key, userId)",
-
-                                //pragmas
-                                "pragma temp_store = memory",
-
-                                "pragma shrink_memory"
+                                "create unique index if not exists userdataindex on userdata (key, userId)"
                                };
 
                 connection.RunQueries(queries, Logger);