Unit tests pass in new release. They broke due to package relsurv's update.
Removed support for package date.
- R-oldrel = R version 4.3.3 (2024-02-29 ucrt)
- R-release = R version 4.4.2 (2024-10-31 ucrt)
- R-devel = R Under development (unstable) (2025-01-30 r87669 ucrt)
- R-oldrel --- OK
- R-release --- OK
- R-devel --- OK
- R-release --- OK