Remove impacket

[xeacott]

What does this PR do?

Remove left over usage of impacket. This dependency is causing issues with the salt-master during init stage if this package is installed on py3.9 for Rhel.

What issues does this PR fix or reference?

Fixes: #62101

Previous Behavior

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New Behavior

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Merge requirements satisfied?

[NOTICE] Bug fixes or features added to Salt require tests.

• Docs
• Changelog - https://docs.saltproject.io/en/master/topics/development/changelog.html
• Tests written/updated

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[xeacott]

Have since checked all usage of impacket and this should be okay to the best of my understanding. Although that exception being raised, from smbprotocol.exceptions import InternalError as smbSessionError may not be as indicative of a session issue, the call itself goes into util/smb.py where it's further handled -> __salt__["smb.get_conn"] and more correctly for that matter.