Cherry-pick to 7.x: ci: do not delete mage installation (#19671)#19674

Merged

kuisathaverat merged 1 commit intoelastic:7.xfrom kuisathaverat:backport/7.x/pr-19671

Jul 6, 2020

+2-1

Commits on Jul 6, 2020

ci: do not delete mage installation (elastic#19671 )
kuisathaverat
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