Uses NoHashHasher in accounts write cache #4321
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Problem
The accounts write cache internally is a map from slot to cache-per-slot. The outer map's key is
Slot, and we don't need to use a "real", nor cryptographically secure, hashing function. Since slots are guaranteed to be unique identifiers, we can use the slot directly as the index into the map.Summary of Changes
Use NoHashHasher for the accounts write cache's internal
cache.