remove files from previous websites that have been hanging out in the repo

[hkershaw-brown]

Description:

Please provide a summary of the change and include any relevant motivation and context.

Fixes issue

fixes #678

Types of changes

• Bug fix (non-breaking change which fixes an issue)
  Removes unused files.
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

Documentation changes needed?

• My change requires a change to the documentation.
  • I have updated the documentation accordingly.

Tests

Please describe any tests you ran to verify your changes.

Built documentation to check non of these files are used.

Checklist for merging

• Updated changelog entry
• Documentation updated
• Update conf.py

Checklist for release

• Merge into main
• Create release from the main branch with appropriate tag
• Delete feature-branch

Testing Datasets

• Dataset needed for testing available upon request
• Dataset download instructions included
• No dataset needed

[mjs2369]

Clean removal, none of these files have a place in the repo anymore. Approved