Remove Perl5 support
Review Request #1793 — Created Sept. 19, 2022 and submitted — Latest diff uploaded
This was originally added to keep feature parity with purple2, but it has been a huge pain, there's no solution on macOS, it randomly breaks, and there never really was a lot of adoption of it in purple2. Also the IEEE and Stack Overflow surveys from 2022 have Perl ranked between the 20th and 30th most popular programming language so I feel comfortable remove it. If necessary we can always pull back out of version control and bring it back up to date.