The io/ioutil package has been deprecated as of Go 1.16, see
https://golang.org/doc/go1.16#ioutil. This commit replaces the existing
io/ioutil functions with their new definitions in io and os packages.
Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
Having this log should not be critical, and removing it allows
using this package without pulling in the explicit dependency
on k8s.io/klog.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>