[Provider Model] Remove the footer of WFC

Reason: Cannot pass the GAR, so UX decides to remove it
https://screenshot.googleplex.com/3Ktq9EBxqUhWivj.png

Bug: 180670301
Test: make
Change-Id: I56d84a45826e14e6cc9093553f1bcfd9c54f70ec
3 files changed