If it was present before, then follow the same steps, but this time round click on 'Remove from Chrome' to get rid of it. Alternatively, you could navigate the extensions page chrome://extensions find such an extension and then remove it there too.
If it was present before, then follow the same steps, but this time round click on 'Remove from Chrome' to get rid of it. Alternatively, you could navigate the extensions page chrome://extensions find such an extension and then remove it there too.