Please activate my site again. I have removed some files

Visiting your website, this is the error I see:

This error isn’t (so much) related to the number of files you have in your account. You can read more information about it, and what you can do to avoid it, here:

If you mean that you followed this part of the article:

Then reducing the amount of files, while a good first step, seems to not be enough, and you’ll need to try and optimize your site more.