Remove obsidian made simple

[claremacrae]

Edited

• Deleted 04 - Guides, Workflows, & Courses/Courses/Obsidian Made Simple.md

• Deleted other references to that file and Obsidian Made Simple

• Fixes Broken Link: Obsidian Hub Vault #842

• Duplicates link doesn't work (delete "Obsidian Made Simple" page, as link no longer works) #814

Added

Checklist

• before creating a new note, I searched the vault
• new notes have the .md extension
• (if applicable) attached images have descriptive file names
• (if applicable) for new notes in the folder "04 - Guides, Workflows, & Courses", I added a link to them in one of the "for {group X}" overviews: https://publish.obsidian.md/hub/04+-+Guides%2C+Workflows%2C+%26+Courses/%F0%9F%97%82%EF%B8%8F+04+-+Guides%2C+Workflows%2C+%26+Courses