Drop sudo from travis

[ferhatelmas]

Dro sudo config for travis.

Travis deprecated docker based environment and that's not used anymore.

[codecov-io]

Codecov Report

Merging #426 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #426   +/-   ##
=======================================
  Coverage   56.41%   56.41%           
=======================================
  Files          19       19           
  Lines         927      927           
=======================================
  Hits          523      523           
  Misses        349      349           
  Partials       55       55

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update ab1c7f7...a7a482a. Read the comment docs.

[corneliusweig]

/lgtm
/approve
Thanks for cleaning this up!

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: corneliusweig, ferhatelmas

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [corneliusweig]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment