Docs: Move metabase docs to sharepoint

[vevetron]

Please move metabase training guide - https://docs.google.com/document/d/1ag9qmSDWF9d30lGyKcvAAjILt1sCIJhK7wuUYkfAals/edit?tab=t.0#heading=h.yem0u48ebedk to sharepoint and deprecate google docs version.

[shweta487]

Sharepoint File Location

[KatrinaMKaiser]

Thanks @shweta487! Please make sure the link is updated on the docs site if applicable.