Remove lower bound to use global pin

[jdblischak]

Checklist

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

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We have to remove the lower bound from the recipe in order to use the global pin that conda-smithy will add to the YAML files in .ci_support/

xref: conda-forge/conda-forge-pinning-feedstock#6003, conda-forge/conda-forge-pinning-feedstock#6048

[conda-forge-webservices]

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.

[jdblischak]

Manually applied migrator from conda-forge/conda-forge-pinning-feedstock#6056

[github-actions]

Hi! This is the friendly conda-forge automerge bot!

I considered the following status checks when analyzing this PR:

• linter: passed
• azure: passed

Thus the PR was passing and merged! Have a great day!