scripted-diff: rename CChainState -> Chainstate
Summary:
-BEGIN VERIFY SCRIPT- sed -i 's/CChainState/Chainstate/g' $(git grep -l CChainState ':(exclude)doc/release-notes*') arc lint -END VERIFY SCRIPT-
Co-authored-by: MacroFake <falke.marco@gmail.com>
This is a backport of core#24513
Test Plan: ninja all check-all
Reviewers: #bitcoin_abc, sdulfari
Reviewed By: #bitcoin_abc, sdulfari
Differential Revision: https://reviews.bitcoinabc.org/D13126