Collection used and old handler removed.

src/engine/db/handlers/dbBuildingHandler.java

@@ -458,36 +458,6 @@ public class dbBuildingHandler extends dbHandlerBase {
 
     }
 
-    public void LOAD_ALL_FRIENDS_FOR_BUILDING(Building building) {
-
-        if (building == null)
-            return;
-
-        try (Connection connection = DbManager.getConnection();
-             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM `dyn_building_friends` WHERE `buildingUID` = ?")) {
-
-            preparedStatement.setInt(1, building.getObjectUUID());
-            ResultSet rs = preparedStatement.executeQuery();
-
-            while (rs.next()) {
-                BuildingFriends friend = new BuildingFriends(rs);
-                switch (friend.friendType) {
-                    case 7:
-                        building.getFriends().put(friend.playerUID, friend);
-                        break;
-                    case 8:
-                    case 9:
-                        building.getFriends().put(friend.guildUID, friend);
-                        break;
-                }
-            }
-
-        } catch (SQLException e) {
-            Logger.error(e);
-        }
-
-    }
-
     public void LOAD_ALL_CONDEMNED_FOR_BUILDING(Building building) {
 
         if (building == null)