Fix CI: remove import for metadata POC

[Weiko]

CI is complaining because TenantModule is trying to init Data sources with a metadata schema that does not exist. This
should fix the CI until we finish our POC.

Before

After

[ergomake]

Hi 👋

Here's a preview environment 🚀

https://front-twentyhq-twenty-1577.env.ergomake.link

Environment Summary 📑

Container	Source	URL
front	Dockerfile	https://front-twentyhq-twenty-1577.env.ergomake.link
server	Dockerfile	https://server-twentyhq-twenty-1577.env.ergomake.link
postgres	Dockerfile	[not exposed - internal service]

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