Remove deprecated params when calling TokenCoder#decode

[APShirley]

• This removes a warning every time decode is called.

[cfdreddbot]

Hey APShirley!

Thanks for submitting this pull request!

All pull request authors must have a Contributor License Agreement (CLA) on-file with us. Please sign the appropriate CLA (individual or corporate).

When sending signed CLA please provide your github username in case of individual CLA or the list of github usernames that can make pull requests on behalf of your organization.

If you are confident that you're covered under a Corporate CLA, please make sure you've publicized your membership in the appropriate Github Org, per these instructions.

[cf-gitbot]

We have created an issue in Pivotal Tracker to manage this. You can view the current status of your issue at: https://www.pivotaltracker.com/story/show/109550070.

[drnic]

Merged #12. Closing.