staging: rtl8188eu: Remove version.h inclusion in osdep_service.h

version.h header inclusion is not necessary as detected by
versioncheck.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>