[Sanity] Config cleanup

[KenAJoh]

Description

Simplified config, added typings and removed "counter" input

For those instances where we are using the counter input, the hard limit is mostly arbitrary. So changed it to just give a warning if you write a title that is "to long". This avoids having to be a wordsmith just to formulate the title in as few characters as possible, rather than writing a good title

Component Checklist 📝

• JSDoc
• Examples
• Documentation / Decision Records
• Storybook
• Style mappings (@navikt/core/css/config/_mappings.js)
• Component tokens (@navikt/core/css/tokens.json)
• CSS class deprecations (@navikt/aksel-stylelint/src/deprecations.ts)
• Exports (@navikt/core/react/src/index.ts and @navikt/core/react/package.json)
• New component? CSS import (@navikt/core/css/index.css)
• Breaking change? Update migration guide. Consider codemod.
• Changeset (Format: <Component>: <gitmoji?> <Text>. E.g. "Button: ✨ Add feature xyz.")

[changeset-bot]

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Latest commit: 0959121

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