Remove the lock caused by prior voting/delegating which has expired within a particular class.
The dispatch origin of this call must be Signed.
class
target
Weight: O(R) with R number of vote of target.
O(R)
Remove the lock caused by prior voting/delegating which has expired within a particular class.
The dispatch origin of this call must be Signed.
class: The class of polls to unlock.target: The account to remove the lock on.Weight:
O(R)with R number of vote of target.