Lent is for Catholics. Nobody else is bound by your traditions.
Additionally, real Christians don't need a special *season* for repentance and prayer. It should be part of the normal everyday experience of a follower of Christ.
In distrusting the pope, you demonstrate a distrust for Christ's promise.
Distrusting a pope who has proven himself untrustworthy by being a grave robber? Can you imagine? The gall of them.
You can always give up FR and the internet for Lent.