The following method makes use of the Display Options to turn off the Sidebar Text Box in the Classic Responsive Skin. This is as simple as un-checking an option and hitting a save button.
- Go to Skin → Content.
- Click Sidebar (in the Skin Display Options section).
- Uncheck the “Sidebar Text Box” option.
- Click OK, then click Save Options.
Note: This article is specific to the Classic Responsive Skin; if you are using a third-party skin, then please see How do I remove certain elements in my Skin? instead.