Remove macro_use and extern crate uses that are unnecessary #151
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leighmcculloch
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Oct 28, 2022
(cherry picked from commit 88cb7b0)
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What
Remove macro_use and extern crate uses that are unnecessary, and move some uses into a smaller scope.
Why
For the most part we don't need to import the std crate into our examples. We import it in a few places even though we have no use for it.