Remove obsolete/unused scripts from package.json

[erolunal]

What's the problem you are facing?
Remove obsolete/unused scripts from package.json

Describe the solution you're proposing
Identified ci:install script for removal which references a non-existing script website:install. Users should use the built-in npm ci command instead to install dependencies.

Additional context

Note that any Stratum enhancements should add general functionality that applies to a broad range of users. If you're looking to add custom functionality to your specific application, we recommend creating or extending existing plugins when possible.

Next steps

• A maintainer will look over your request, and we'll help you flesh it and provide additional context/requirements as necessary.
• We welcome contributions from the community! If you're looking to contribute to this request, open a PR and connect it to the Github issue.
• Once your PR is approved and merged, we will close this issue and mark it as complete.