Redelegation from the UnbondingDelegations queue?

Is it possible to remove funds from the UnbondingDelegations queue by allowing delegates to stake the funds – similar to Redelegation, in the event that within the 21 day period, the delegates decide he/she rather re-stake. Just curious if this functionality is currently available, as it doesn’t seem so from reading the specs. It appears from a cursory glance that the network would benefit from this option/incentive.

Just saw this discussion:

Issue: Delegator TxCancelUnbond

If you are in the process of unbonding you should be able to restore your bond to the original validator. You...

A cancel-unbonding is a nice to have.