docs(core): remove @nrwl/ rescope message from codeblocks

[jaysoo]

Remove the @nrwl/ rescope message from codeblocks since new users do not need to know about this, and existing users have mostly migrated to Nx 16+.

Current Behavior

Expected Behavior

Related Issue(s)

Fixes #

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Name	Status	Preview	Updated (UTC)
nx-dev	✅ Ready (Inspect)	Visit Preview	Mar 6, 2024 7:57pm

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✅ Successfully ran 6 targets

• nx affected --target=e2e --base=876bc94aab660e77ec537b9e6e79048131bdc004 --head=cfc6f31fecda8a498cc6caac10eeb8d54bf66eec --parallel=1
• nx affected --targets=lint,test,build --base=876bc94aab660e77ec537b9e6e79048131bdc004 --head=cfc6f31fecda8a498cc6caac10eeb8d54bf66eec --parallel=3
• nx run-many -t check-imports check-commit check-lock-files check-codeowners documentation --parallel=1 --no-dte
• nx-cloud record -- nx format:check --base=876bc94aab660e77ec537b9e6e79048131bdc004 --head=cfc6f31fecda8a498cc6caac10eeb8d54bf66eec
• nx documentation --no-dte
• nx affected -t e2e-macos --parallel=1 --base=876bc94aab660e77ec537b9e6e79048131bdc004 --head=cfc6f31fecda8a498cc6caac10eeb8d54bf66eec

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[isaacplmann]

You should also update the terminal-video.component.tsx file so that it doesn't use the isMessageBelow prop.

[isaacplmann]

Approving so you can merge when you update the reference

[github-actions]

This pull request has already been merged/closed. If you experience issues related to these changes, please open a new issue referencing this pull request.