
Once the account has been cleaned and secured, please request a delisting through your Google Webmaster account. This is not something that HostGator can do for you. The excerpt below was copied from Google, and gives you step by step instructions to request a delisting.
From Google's Website:
http://www.google.com/support/webmasters/bin/answer.py?answer=45432
Once you have reviewed your site and are sure it is clean, you can can submit a request for review. Note, you will need to verify site ownership before you can request a site review.
- Sign in to Webmaster Tools with your Google account.
- On the Dashboard, select the site you want.
- On the Overview page, click Request a review and follow the instructions.


