Agreed, and the steps I mentioned above would still apply. However, you can either never update your Vortex theme or create a child theme as Andrew pointed out.
Hi Hector,
For the Vortex theme:
One way is to edit sidebar.php and comment/remove everything from the file.
The next issue is getting the main column to use the full width of the screen.
Edit the Main Index Template (index.php) and remove the class grid_11 class from this line: <div class="grid_11">
Cheers
Dax