Yes you can remove the scroll bar. Open up the productdetail.ascx page located in your \desktopmodules\smith.buynow folder and go to line 197 and remove the div tag in the tab control as highlighted below. Repeat the same operation for all 5 tabs.
<cc1:TabPanel ID="TabPanel1" runat="server" HeaderText="Tab 1">
<ContentTemplate>
<div class="myTabs">
<asp:Label ID="lblDescription" runat="server" CssClass="SmithProdText" />
</div>
</ContentTemplate>
</cc1:TabPanel>