[LOS-884] Remove deprecated docs for AIMS BIOS lgcy
Merge once https://cern.service-now.com/service-portal?id=outage&n=OTG0069753 is finished
Merge once https://cern.service-now.com/service-portal?id=outage&n=OTG0069753 is finished
assigned to @djuarezg
mentioned in commit d4361fc3
merged