Remove unnecessary checks before calling os.makedirs

[emontnemery]

Breaking change

Remove unnecessary checks before calling os.makedirs

Proposed change

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Breaking change (fix/feature causing existing functionality to break)
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• This PR fixes or closes issue: fixes #
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[allenporter]

Can this go?

[ludeeus]

We should still have that check in case the user maps in a file instead of a directory to the container