Removes target(s) from a rule so that when the rule is triggered, those targets will no longer be invoked.
Note: When you remove a target, when the associated rule triggers, removed targets might still continue to be invoked. Please allow a short period of time for changes to take effect.
/// This exception occurs if there is concurrent modification on rule or target.
///
/// This exception occurs due to unexpected causes.
///
/// The rule does not exist.
///