I have Firefox on my mac and to disable or delete a toolbar you just click tools, add-ons, then click on the name of the toolbar and either, enable, disable, or delete it. I am not sure if it is the...
Right click the "Menu Bar" Scroll over "Customise >" Click "Add or Remove commands..." Only for Internet Explorer. in firefox click on view then toolbars then you can see list of toolbars..:)...
The Mac does not have a toolbar. To remove icons from the Dock click on the icon and drag it away from the dock. Release the mouse button and the icon is gone. To remove some icons fron the menu bar...