There are two locations in Site Info where tools can be removed from your site: Manage Tools and Tool Order.
Go to Site Info.

Select Site Info from the site Tool Menu.
Remove a tool using Manage Tools.
Uncheck the box next to the tool(s) to be removed.

OR click the X icon to the right of a tool in the Selected tools list.

Alternatively, you can use the Selected tools list to remove tools. Click the X icon (Remove) to the right of a tool to remove it.
Select Continue.

Once the desired tools have been removed, scroll down and select the Continue button.
Confirm tool selection.

Tools to be removed will be listed at the top of the page.
Select Continue.
