feat(core): remove unused CLI option from CNW

[Coly010]

Current Behavior

We have an option to select the CLI to use when creating a new workspace, but it's never actually used.
We also want to only use Nx as the CLI moving forward.

Expected Behavior

Remove the CLI option to ensure reduced confusion

Related Issue(s)

Fixes #

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Name	Status	Preview	Comments	Updated
nx-dev	✅ Ready (Inspect)	Visit Preview	💬 Add your feedback	Feb 9, 2023 at 1:35PM (UTC)

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✅ Successfully ran 8 targets

• nx run-many -t e2e-macos --parallel=1 --exclude=e2e-detox
• nx affected --target=e2e --base=6520e603c4a4f528f445c9d2ba53035a7280a110 --head=b197b19133a3e18da49be735d91dca743e007fd8 --exclude=e2e-storybook,e2e-storybook-angular --parallel=1
• nx affected --target=lint --base=6520e603c4a4f528f445c9d2ba53035a7280a110 --head=b197b19133a3e18da49be735d91dca743e007fd8 --parallel=3
• nx run-many -t root-lint check-imports check-commit check-lock-files depcheck --parallel=1 --no-dte
• nx affected --target=build --base=6520e603c4a4f528f445c9d2ba53035a7280a110 --head=b197b19133a3e18da49be735d91dca743e007fd8 --parallel=3
• nx affected --target=test --base=6520e603c4a4f528f445c9d2ba53035a7280a110 --head=b197b19133a3e18da49be735d91dca743e007fd8 --parallel=1
• nx-cloud record -- nx format:check --base=6520e603c4a4f528f445c9d2ba53035a7280a110 --head=b197b19133a3e18da49be735d91dca743e007fd8
• nx documentation --no-dte

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[github-actions]

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