Ubuntu 11.10 GNOME Classic
Left-clicking on the icon launches a URL
Middle-clicking on the icon (with the mouse wheel) doesn't do anything.
Right-clicking on an icon displays two options:
Clicking on "Launch" does the same as left-clicking on the icon.
Clicking on "Properties" displays three fields:
All three fields contain the same URL
Left-clicking, middle-clicking or right-clicking anywhere in an unused part of the bar at the bottom of the screen.
How do I delete the unwanted icon?