Clap feature tweaking

[CosmicHorrorDev]

(Context: sniffing out lingering sources of old clap version downloads)

inferno and names are both bin+lib crates that both use a default feature for the CLI related dependencies. Currently there are still some dependencies that are unconditionally pulling in clap for binary-related things even when using it as a library. I've already opened issues on both of the ones I noticed

• https://github.com/benfred/py-spy/issues/647
• https://github.com/rbspy/rbspy/issues/384

[CLAassistant]

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[CosmicHorrorDev]

I didn't notice that this would require signing a CLA, but I'd rather not. Apologies for the noise