If you dont want it in the layout, yo can simply remove it from the page using Dreamweaver.
You will need to modify the css to adjust the layout of other components on the page to use the real estate that will be made available by removing that content.
Yes, you are correct in stating that it is a site you set up, then hand over to the client.
Where you state that the Last 5 changes may be a feature you wouldn't use, the client may find it useful to have the ability to roll the page back if they make a change that breaks something
