[7.13](backport #25454) Revert "[CI] googleStorageUploadExt step (#24048)"

[mergify]

This is an automatic backport of pull request #25454 done by Mergify.

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[elasticmachine]

💚 Build Succeeded

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Build stats

• Build Cause: v1v commented: /test

• Start Time: 2021-04-30T14:37:19.149+0000

• Duration: 19 min 37 sec

• Commit: 2f352f7

Test stats 🧪

Test	Results
Failed	0
Passed	843
Skipped	3
Total	846

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💚 Flaky test report

Tests succeeded.

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Test stats 🧪

Test	Results
Failed	0
Passed	843
Skipped	3
Total	846

[v1v]

/test