Cloud Serverless duplicate points note #6601
Description
Add this for Cloud Serverless: https://github.com/influxdata/docs-v2/pull/6584/changes#diff-374e13eee4bf10fa0c03f99cd53136221bcfe7459ab91500fd059b7e677ff2b4R433
Originally posted by @helenosheaa in #6584 (comment)