DOCSP-13402 add drop unique system index step to 4.2 downg instructions#4611

Merged

andf-mongodb merged 1 commit intomongodb:masterfrom

andf-mongodb:master-DOCSP-13402

Dec 1, 2020

Commits on Dec 1, 2020

DOCSP-13402 add drop unique system index step to 4.2 downg instructions
andf-mongodb
committed