Rename paddlepaddle_defaults.go file name

[ChristianZaccaria]

What this PR does / why we need it:
Renaming file from paddlepaddle_defautls.go to paddlepaddle_defaults.go

Checklist:

• Docs included if any changes are user facing

[Electronic-Waste]

/lgtm
/ok-to-test
/rerun-all

[Electronic-Waste]

/rerun-all
/cc @kubeflow/wg-training-leads @astefanutti @helenxie-bit

[google-oss-prow]

@Electronic-Waste: GitHub didn't allow me to request PR reviews from the following users: astefanutti.

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In response to this:

/rerun-all
/cc @kubeflow/wg-training-leads @astefanutti @helenxie-bit

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[tenzen-y]

/approve

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Electronic-Waste, tenzen-y

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[coveralls]

Pull Request Test Coverage Report for Build 12906776123

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build 12862208924:	0.0%
Covered Lines:	85
Relevant Lines:	85

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💛 - Coveralls

[andreyvelich]

/cherry-pick release-1.9

[google-oss-robot]

@andreyvelich: new pull request created: #2400

In response to this:

/cherry-pick release-1.9

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.