LGL: Update controlled information review statement for clarity

[rstoneback]

Description

Addresses #(issue)

Update controlled information statement for clarity and to ensure pysat's legal rights are maintained.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Updated comments. No need for additional testing.

Checklist:

• Make sure you are merging into the develop (not main) branch
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• Add a note to CHANGELOG.md, summarizing the changes
• Update zenodo.json file for new code contributors

If this is a release PR, replace the first item of the above checklist with the release
checklist on the wiki: https://github.com/pysat/pysat/wiki/Checklist-for-Release

[rstoneback]

So the doc error about the admonition wasn't causing the documentation tests to fail but it was incorrect as written. That is fixed. Still trying to sort out what the inline_table_error thing on Read the Docs is all about. This error is coming up in documentation I didn't modify.

[rstoneback]

extras_require issue now tracked in report #252

[rstoneback]

Friendly heads up to @jklenzing given historical work but recognizing NASA has stopped support, plus government may be shutting down.

[rstoneback]

NASA websites are down causing the current documentation check errors. The previous errors are indeed fixed by my changes.