chore(db): Drop unsed index on key
column in Commit table
#91610
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This index was last used on Oct 29th, and it consumes almost 100gb in our main SaaS DB, so there is no reason to keep it.
I went through our codebase and couldn't find any query that would still be using this index. On our main US DB this should probably be executed by an SRE, since dropping the index could timeout, even as a post deployment migration. In other regions, index size is small enough to be run as a regular post deployment migration job.