Remove language about RESTRICTED data from docs

[kilbergr]

We'll need to remove all references of restricted access from our documentation so users don't get confused. These are all exclusively within the documentation layer.

References to restrictions from Terms of use Whitelisted reference in API docs template Whitelisted jurisdictions reference in API tutorial template Whitelisted reference in Data formats doc template Remove references to restricted access from Researcher user path doc Remove access limits doc Remove reference to restrictions/whitelisting in glossary References to restrictions in case.html Restrictions References in about Daily limit in terms of use Restrictions references in user pathways guidelines Remove all references to registration/restriction from various templates in the site features docs (api, bulk) Remove all references to registration/restriction from various templates in the learning tracks docs (api/in depth) References to restrictions in README References to restrictions in PDF README (link is broken anyway) Jurisdiction README references to open/restricted bulk export,

This is a part of the user flow and restricted access tear down feature.