Simplify logbook-spring RemoteResponse code

[luc-leclerc]

Description

• Removed use of state.

Motivation and Context

• A lot of code and classes for a feature that is not documented or tested.
• One of the inner private class was unused.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.

[github-actions]

In order to prioritize the support for Logbook, we would like to check whether the old pull-requests are still relevant.
This pull-request has not been updated for over six months.

• Please check if it is still relevant in latest version of the Logbook.
• If so, please update the pull-request based on the latest main branch.
• Otherwise, the pull-request will automatically be closed after a week.

[github-actions]

This pull-request has automatically been closed due to no activities. If it is still relevant, please feel free to re-open it. Don't forget to use the latest main branch.