chore: do not use network_plugin default from sdk

[tyler-lloyd]

---

This checklist is used to make sure that common guidelines for a pull request are followed.

Related command

the cli should not set network_plugin defaults. it should let the AKS RP handle defaulting.

General Guidelines

• [x] Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
• [x] Have you run python scripts/ci/test_index.py -q locally? (pip install wheel==0.30.0 required)
• [x] My extension version conforms to the Extension version schema

For new extensions:

• [ ] My extension description/summary conforms to the Extension Summary Guidelines.

About Extension Publish

There is a pipeline to automatically build, upload and publish extension wheels.
Once your pull request is merged into main branch, a new pull request will be created to update src/index.json automatically.
You only need to update the version information in file setup.py and historical information in file HISTORY.rst in your PR but do not modify src/index.json.

[azure-client-tools-bot-prd[bot]]

️✔️Azure CLI Extensions Breaking Change Test

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️✔️Non Breaking Changes

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[azure-client-tools-bot-prd[bot]]

Hi @tyler-lloyd, Please write the description of changes which can be perceived by customers into HISTORY.rst. If you want to release a new extension version, please update the version in setup.py as well.

[azure-client-tools-bot-prd[bot]]

Hi @tyler-lloyd, Since the current milestone time is less than 7 days, this pr will be reviewed in the next milestone.

[yonzhan]

Thank you for your contribution! We will review the pull request and get back to you soon.

[github-actions[bot]]

:warning: Release Suggestions

Module: aks-preview

• :warning: Please log updates into to src/aks-preview/HISTORY.rst
• Update VERSION to 5.0.0b4 in src/aks-preview/setup.py

  Notes

• Stable/preview tag is inherited from last release. If needed, please add stable/preview label to modify it.
• Major/minor/patch/pre increment of version number is calculated by pull request code changes automatically. If needed, please add major/minor/patch/pre label to adjust it.
• For more info about extension versioning, please refer to Extension version schema

[FumingZhang]

Failures in the CI check are not related to the change, will fix in another PR #7775

[FumingZhang]

7775 merged, please rebase from main

[tyler-lloyd]

@FumingZhang - looks like CI is passing now. thanks for the fix.

[tyler-lloyd]

@zhoxing-ms PTAL