Remove Liferea

3.9 will have the deprecation wrapper + updated doc that recommends Thunderbird instead of Liferea. Then as per #11082-note_17 we shall remove Liferea in 3.10 or 3.11.

Feature Branch: feature/11082-deprecate-liferea

Parent Task: #11082 (closed)

Related issues

• Related to #9429 (closed)
• Blocked by #15745 (closed)
• Blocked by #15775 (closed)
• Blocks #15507 (closed)
• Blocked by #16134 (closed)
• Blocks #11051 (closed)

Original created by @intrigeri on 15776 (Redmine)