Fix#30872
We will assume the database is consistent before executing the
migration. So the indexes should exist. Removing `IF EXIST` then is safe
enough.
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Co-authored-by: silverwind <me@silverwind.io>
(cherry picked from commit 40de54ece82356b161cdb9cc224ed9004af8ae5d)
Conflicts:
models/migrations/v1_22/v286.go
MSSQL is not supported in Forgejo