@Override
    public void unsubscribe(Player player, boolean fast) {
        if (!this.subscribed.remove(player) || fast) {
            return;
        }

        Protocol.sendPacket(player, newRemovePacket());
    }
Creates a new scoreboard team

@param id the id of this team
@param displayName the initial display name
helper/src/main/java/me/lucko/helper/scoreboard/PacketScoreboardTeam.java