Remove obsoleted elements slated for removal in 3.0.0

Description

Remove the obsoleted elements that are slated for removal from 3.0.0.

Why Is It Needed

These elements have been marked as obsolete with removal in 3.0.0

Related Issues and Tickets

• CLE - https://gitlab.com/chocolatey/collaborators/choco-licensed/-/work_items/781
• Agent - https://gitlab.com/chocolatey/collaborators/choco-licensed-services/-/work_items/165
• CLI - https://github.com/chocolatey/choco/issues/3930
• GUI - https://github.com/chocolatey/ChocolateyGUI/issues/1149

Acceptance Tests

• All builds are successful
• All tests pass as expected
• All products continue to build together correctly

Done Checklist

• Documentation has been updated?
• Automated tests have been added to cover this?
• Manual tests have been added to cover this?
• ADR created to document the design / decision?
• Title is suitable for using in Release Notes?