Remove experiment for context lookup #3157
Merged
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Early results show that the API lookup is a clear winner. It is much faster on Windows, marginally faster on Mac, and a teeny bit slower on Linux but not enough to care (especially since, over time, Linux should be getting the daemon more broadly).
I expected the context load to be slower in cases where the API was not present--it adds the time to load that code and call the API. This does appear to be the case from the data, but is less prevalent than I expected--Mac is faster even up through the 90th percentile (as in, for at least 90% of users, this change helps) and Windows is faster up through the 95th percentile. Linux is a bit slower at the 90th percentile, but is just as fast at the 75th percentile.
This code removes the experimentation component and will always try the API lookup before a CLI lookup. Reverts part of #3102. Related to #3054.