remove uninstall step (backport #1017)

[mergify]

This is an automatic backport of pull request #1017 done by Mergify.

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[elasticmachine]

💚 Build Succeeded

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Build stats

• Build Cause: Pull request #1027 opened

• Start Time: 2021-04-13T13:59:42.023+0000

• Duration: 30 min 40 sec

• Commit: fbcd6f3

Test stats 🧪

Test	Results
Failed	0
Passed	114
Skipped	0
Total	114

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💚 Flaky test report

Tests succeeded.

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Test stats 🧪

Test	Results
Failed	0
Passed	114
Skipped	0
Total	114