Kill verdaccio in CI tasks cleanup

[santoshyadavdev]

Fixes#6663.

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[ianschmitz]

Looks like that worked!

https://travis-ci.org/facebook/create-react-app/jobs/509467770#L1827

Can you update our other e2e scripts that use verdaccio with the same cleanup logic?

[santoshyadavdev]

Looks like that worked!

https://travis-ci.org/facebook/create-react-app/jobs/509467770#L1827

Can you update our other e2e scripts that use verdaccio with the same cleanup logic?

Done, waiting for build.

[santoshyadavdev]

@ianschmitz ,
The changes worked for other task as well. Let me know if we need any other changes.

[santoshyadavdev]

Hi @ianschmitz ,

Let me know if any changes are needed.

[ianschmitz]

Looks good. Thanks @santoshyadav198613