[prometheus] revert index mapping changes#4060

Merged

tetianakravchenko merged 3 commits intoelastic:mainfrom tetianakravchenko:prometheus-revert-mapping

Aug 31, 2022

+24-20

Commits on Aug 23, 2022

revert mapping; add description to the http config options
tetianakravchenko
committed

Commits on Aug 24, 2022