No boost

[hmaarrfk]

This package pulls in the boost headers at runtime.

Those results in about 300MB of small tiny files. I don't think we need them.

Trying to see if we can compile without them. Checklist

• [ ] Used a personal fork of the feedstock to propose changes
• [ ] Bumped the build number (if the version is unchanged)
• [ ] Reset the build number to 0 (if the version changed)
• [ ] Re-rendered with the latest conda-smithy (Use the phrase code>@<space/conda-forge-admin, please rerender in a comment in this PR for automated rerendering)
• [ ] Ensured the license file is being packaged.

[conda-forge-linter]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe) and found it was in an excellent condition.

[hmaarrfk]

I guess i hit this every year: https://github.com/conda-forge/boost-cpp-feedstock/issues/83