Close applications 11/17

[Dahianna]

-Switch config file from true to false to hide tracks

• Remove banner
• Update process page and apply pages to say "2204 applications are now closed..."

[Dahianna]

@jaredbain to create branch

[jaredbain]

Created branch to close applications. Can view the staging link here: https://federalist-ab979a96-fca9-4c8a-a85e-18500f030448.sites.pages.cloud.gov/preview/gsa/digitalcorps.gsa.gov/close_applications/