fix(migrate): allow @sveltejs/kit to be a dependency

[sacrosanctic]

Closes #1270

Description

A migration is not the right place to police this.

Checklist

• Update snapshots (if applicable)
• Add a changeset (if applicable)
• Allow maintainers to edit this PR
• I care about what I'm doing, no matter the tool I use (Notepad, Sublime, VSCode, AI...)

[pkg-svelte-dev]

Install the latest version of sv from 55d2b5b:

pnx https://pkg.svelte.dev/sv/c/55d2b5bfdc5bcafe863960667190639ff66ee338 create

Open in pkg.svelte.dev: https://pkg.svelte.dev/repos/cli/pr/1274

Note

This PR is from a fork. A maintainer must approve approve each commit before it can be built and installed.

[changeset-bot]

🦋 Changeset detected

Latest commit: 55d2b5b

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
sv	Patch

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[manuel3108]

I don't think this is necessary. Also the issue describes a really special case that we should not support IMHO.