VPN-5883 Update Malware "Privacy Feature" description

[Gela]

Description

Remove the world "malware" from text body as it is redundant.

Reference

https://mozilla-hub.atlassian.net/browse/VPN-5883

Checklist

• My code follows the style guidelines for this project
• I have not added any packages that contain high risk or unknown licenses (GPL, LGPL, MPL, etc. consult with DevOps if in question)
• I have performed a self review of my own code
• I have commented my code PARTICULARLY in hard to understand areas
• I have added thorough tests where needed

[flodolo]

The irony of leaving malware in the ID though :-) (to be clear, that's the cleares umbrella term here).