channels: drop v2023dev1 and v2023dev2
All the development happens on v2023dev3 and mirroring on the Apertispro side is complete for v2023dev1 and v2023dev2. So we can stop monitoring v2023dev1 and v2023dev2.
Signed-off-by: Vignesh Raman vignesh.raman@collabora.com