[$25] Don't log Vanilla API token in challenge forum processor output

[jmgasper]

Since the API token can be used to elevate privileges, we shouldn't log this, just in case someone gets access to our prod logs.

[jmgasper]

Contest https://www.topcoder.com/challenges/30150889 has been created for this ticket.

This is an automated message for ghostar via Topcoder X

[jmgasper]

Contest https://www.topcoder.com/challenges/30150889 has been updated - it has been assigned to obog.

This is an automated message for ghostar via Topcoder X

[atelomycterus]

@jmgasper Please apply PR- topcoder-platform/challenge-forum-processor#41. Thanks!

[jmgasper]

Payment task has been updated: https://software.topcoder.com/review/actions/ViewProjectDetails?pid=30150889

This is an automated message for ghostar via Topcoder X