The CFP is closed
The CFP is closed

Remove the copy about the CFP from the home page.

Leave the "Propose" link as this is a soft-close, we'll accept talks
until Monday.

Signed-off-by: Nathen Harvey <f3cabdeba0e84594589839e3e1ff17618f7c11d9@chef.io>

gomex/devopsdays-web,gomex/devopsdays-web,gomex/devopsdays-web,gomex/devopsdays-web