It sounds like you removed too much. Here are the instructions explaining how to remove the scrolling gallery from a listing:
To remove the scrolling gallery from your current listings, you must delete the store window HTML from the HTML description of your listings using eBay’s “Revise your Item” form.
The specific code you would need to remove begins and ends with the following HTML tag: <!--ASW--> You can also verify the HTML code that is used to generate the store window by clicking the “Scrolling Gallery HTML” link under the “Store” tab within your Auctiva account.
In order to remove the store window from listings to which it was appended automatically, you will need to revise each via the following process:
1) Click the "Revise your Item" link on the item.
2) Scroll about 1/3 down the page to the “Description” section and click the “HTML” tab on the editor.
3) Hold "CTRL" and press "F" to initiate a Firefox/IE “Find” command.
4) Enter <!--ASW--> in the "Find" field, and click "Find Next". The text <!--ASW--> will become highlighted, which is the beginning of the store window HTML.
5) Click “Find Next” and a second instance of <!--ASW--> will become highlighted, which is the end of the scrolling gallery HTML.
6) Delete all of the code between and including those two tags and save your changes.
Hope this helps.