chore: remove redundant endpoints

[vitaliy-guliy]

What does this PR do?

Removes not used endpoints from che-code editor definition.

Screenshot/screencast of this PR

What issues does this PR fix or reference?

No issue, just a tiny improvement

How to test this PR?

• create a workspace applying proposed editor yaml
• make sure the editor works as expected

PR Checklist

As the author of this Pull Request I made sure that:

• The Eclipse Contributor Agreement is valid
• Code produced is complete
• Code builds without errors
• Tests are covering the bugfix
• Development resource are up to date
• The repository devfile is up to date and works
• Sections What issues does this PR fix or reference and How to test this PR completed
• Relevant user documentation updated
• Relevant contributing documentation updated
• CI/CD changes implemented, documented and communicated

Reviewers

Reviewers, please comment how you tested the PR when approving it.

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@vitaliy-guliy: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/v14-che-behind-proxy	f59bd2d	link	true	/test v14-che-behind-proxy

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[ibuziuk]

This should not be done I believe since those endpoints are used for automatic port redirect e.g. nodejs sample listening on port 3000 but devfile has not defined an endpoint, and without those definition exposure would not happen

[ibuziuk]

@azatsarynnyy @RomanNikitenko please, review
but I believe instead of this PR we need to contribute to the docs explaining why we are using this endpoints in the editor definition. Probably here https://eclipse.dev/che/docs/stable/administration-guide/configuring-visual-studio-code/

[azatsarynnyy]

@azatsarynnyy @RomanNikitenko please, review but I believe instead of this PR we need to contribute to the docs explaining why we are using this endpoints in the editor definition. Probably here https://eclipse.dev/che/docs/stable/administration-guide/configuring-visual-studio-code/

I created an issue eclipse-che/che#23160