remove atom as suggested editor as it reached end of life support

[enki-hq]

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[enki-hq]

Insight previews:

• [ ] enkidevs/curriculum/java/java-fundamentals/intro-to-java/java-hello-world.md
• [ ] enkidevs/curriculum/javascript/node/intro-node/installing-node-js.md
• [ ] enkidevs/curriculum/lua/lua-core/intro-to-lua-ii/installing-lua-iii.md
• [ ] enkidevs/curriculum/python/python-core/meet-python/python-environment.md