make use of logger in config init file

[DiptoChakrabarty]

What type of PR is this?

This PR makes use of logging instead of standard printing out the output

What this PR does / why we need it:

In config/init.py instead of giving the output in stdout python logger is used to display a warning when kube config path is not provided

Which issue(s) this PR fixes:

Fixes #263

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[roycaihw]

/assign

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[DiptoChakrabarty]

/release-note-none

[roycaihw]

This repo has been merged into the main python repo. We are archiving this repo. Please submit the PR to the main repo. Thanks!

/close

[k8s-ci-robot]

@roycaihw: Closed this PR.

In response to [this](https://github.com/kubernetes-client/python-base/pull/274#issuecomment-1066133336): >This repo has been merged into the main [python repo](https://github.com/kubernetes-client/python). We are archiving this repo. Please submit the PR to the main repo. Thanks! > >/close Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.