refactor: no need for LRU for interval (2.2m parsed/s) #683
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Description
Remove unnecessary LRU; now we've optimised parseInterval there's no need to wrap it in an LRU. I've benchmarked parseInterval at 2.2 million parses per second, so it's unlikely an LRU is going to make a big difference here (and in fact might hurt performance?)
Performance impact
Slightly reduces memory usage.
Security impact
None