msm: net: ecm: remove driver version printings

Change was made in order to avoid the case where a new
commit is introduced but the driver version update is
not incremented by accident.
Instead, the actual driver version can be fetch
by looking at the build version.

Change-Id: I54286d3bebc45738c24a8057b4545f1aded8e3f6
Signed-off-by: Talel Atias <tatias@codeaurora.org>