docs: update outdated Google+ references - #2764

docs: update outdated Google+ references#2764

Mudassir55 wants to merge 3 commits into

googleapis:maingoogleapis/google-api-python-client:mainfrom

Mudassir55:docs-audit-old-api-referencesMudassir55/google-api-python-client:docs-audit-old-api-referencesCopy head branch name to clipboard