i40evf: remove duplicate string

i40evf: remove duplicate string

BugLink: http://bugs.launchpad.net/bugs/1536474
We already print the driver info string in probe, so don't print
it again in init. No need to repeat. No need to repeat.

Change-ID: Ief597997f580a8c54d5950e3a84c29f2075be66b
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
(cherry picked from commit 05281eb8e1754688ecf07a63844c56c9f76b38ad)
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>