snowball: Remove wpa supplicant configs

Remove the wpa supplicant configuration variables to make snowball
build for JB. This is a temporary solution during the bring up.

Change-Id: Ic106a98ffae4de3342057568660fa39c5d71bf4f
Signed-off-by: Patrik Ryd <patrik.ryd@linaro.org>
2 files changed