Remove support for TCF1

[bretg]

Type of issue

cleanup

Description

The IAB deprecated TCF1 almost a year ago. Prebid Server removed support for TCF1 a while back. It's time PBJS stops supporting it.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[dgirardi]

Delaying implementation of this until #8185 gets merged.