tidb: remove experimental warnings for stats lock (#16593)#16602

Merged

ti-chi-bot[bot] merged 2 commits intopingcap:release-7.5from ti-chi-bot:cherry-pick-16593-to-release-7.5

Feb 26, 2024

+3-19

Commits on Feb 26, 2024

This is an automated cherry-pick of pingcap#16593

Oreoxmt
authored and
ti-chi-bot
committed
Update basic-features.md
Oreoxmt
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