deleteOptedOutNumber
inline suspend fun PinpointSmsVoiceV2Client.deleteOptedOutNumber(crossinline block: DeleteOptedOutNumberRequest.Builder.() -> Unit): DeleteOptedOutNumberResponse
Deletes an existing opted out destination phone number from the specified opt-out list.
Each destination phone number can only be deleted once every 30 days.
If the specified destination phone number doesn't exist or if the opt-out list doesn't exist, an error is returned.