I was asked on Discord to send an email website@huggingface.co and I did.
They replied with:
Hi Ed,
Thanks for contacting us. This Space was flagged for using a proxy which infringes on our content policy, specifically:
Proxies that are primarily designed to bypass restrictions imposed by the original service provider
The proxy will need to be removed in order to continue using the Space - let us know once you’ve done that and we can help with next steps!
The only problem is that my space is not using a proxy 
Hopefully we can sort that out.