[7.x] Clean up uses of deprecated API's in node core (#51431)#52192

Merged

watson merged 1 commit intoelastic:7.xfrom watson:backport/7.x/pr-51431

Dec 4, 2019

+638-207

Commits on Dec 4, 2019

Clean up uses of deprecated API's in node core (elastic#51431 )
watson
committed