The following does not remove the address bar but it does change the size browser image.
The default Internet browser has an logo image of the Earth and is labeled “Internet”. Load the Internet browser then tap the menu button (lower left) then look for and tap “Settings” then tap “Advanced” look for “Page content” below it you will see and tap “Default zoom”. “Default zoom” has three choices, default is Medium, other choices are “Close” or “Far”.
Another option under “Page content” is “Autofit- pages”. Try the different settings to see which you like.