codespace: Remove Codespaces extension

[derekbekoe]

---

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

General Guidelines

• Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
• Have you run python scripts/ci/test_index.py -q locally?

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 PR is merged into master branch, a new PR will be created to update src/index.json automatically.
The precondition is to put your code inside this repo and upgrade the version in the PR but do not modify src/index.json.

[azuresdkci]

If this PR is for a new extension or change to an existing extension, use the following to try out the changes in this PR:

docker run -it microsoft/azure-cli:latest
export EXT=<NAME>
pip install --upgrade --target ~/.azure/cliextensions/$EXT "git+https://github.com/derekbekoe/azure-cli-extensions.git@dev/debekoe/codespaces-remove#subdirectory=src/$EXT&egg=$EXT"

[yonzhan]

codespace

[qwordy]

@derekbekoe Can you share the reason? Is there any alternative of this extension?

[derekbekoe]

It is due to https://devblogs.microsoft.com/visualstudio/visual-studio-codespaces-is-consolidating-into-github-codespaces/

[qwordy]

/azp run

[azure-pipelines]

No pipelines are associated with this pull request.