Update splitting-a-subfolder-out-into-a-new-repository.md

[MMitsialis]

git remote set-url reports no remotes set up for current working folder. Exchanging git remote add add resolves and allows commit to the new split out repo.

Why:

The published instructions were incomplete and not usable.

Closes [issue link]

What's being changed:

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Content directory changes

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Source	Staging	Production	What Changed
content/get-started/using-git/splitting-a-subfolder-out-into-a-new-repository.md	Modified	Original

[ramyaparimi]

@MMitsialis
Thanks so much for opening a PR! I'll get this triaged for review ⚡

[jules-p]

Hi @MMitsialis 👋🏻 thank you for opening this pull request ✨ We won't be making the change at this time, but if you continue having difficulty, please reach out to GitHub Support. We really appreciate you contributing to the community. 🎇