[firebase-release] Removed change log and reset repo after 9.23.2 rel…

…ease

CHANGELOG.md

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-- Fixes issue when installing a Firebase Extension where secrets would be created before validation.
-- Fixes issue with filtering on a specific storage bucket using functions in the emulator. (#3893)
-- Fixes check in Cloud Functions for Firebase initialization to check for API enablement before trying to enable them. (#2574)
-- No longer tries to clean up function build images from Artifact Registry when Artifact Registry is not enabled. (#3943)
-- Show error message when running `firebase init hosting:github` with no Hosting config in `firebase.json`. (#3113)
-- Fixes issue where `remoteconfig:get` was not fetching the latest version by default. (#3559)
-- Fixes issue where empty variables in .env files would instead read as multi-line values. (#3934)