chore: Allow rollover even if the contract is expired

This was a safe-guard added when the app triggered the rollover through the publicly exposed rollover api. Now that we have changed that it is convenient to rollover also expired contracts for support cases.

coordinator/src/node/rollover.rs

@@ -115,14 +115,6 @@ impl Rollover {
             .first()
             .context("oracle announcement to exist on signed contract")?;
 
-        let expiry_timestamp = OffsetDateTime::from_unix_timestamp(
-            oracle_announcement.oracle_event.event_maturity_epoch as i64,
-        )?;
-
-        if expiry_timestamp < OffsetDateTime::now_utc() {
-            bail!("Cannot rollover an expired position");
-        }
-
         let margin_coordinator = offered_contract.offer_params.collateral;
         let margin_trader = offered_contract.total_collateral - margin_coordinator;