Audit and clean up a WordPress website code

I have a new WordPress website. It has zero clients, zero orders, and zero operations going on. Yet, its size is already 4+ GB
Add to that, it has a supplementary blueprint that is 2+ GB of size

I believe this is too large. I need someone to audit them both, clean them up, prepare an HONEST and detailed report of the findings and the cleanup

I will run your report by Claude before accepting it. So, half-baked work is NOTY accepted

Budget: CAD$50