Update cran-comments.md.

Author: henningte

cran-comments.md

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+This release should fix CRAN check notes required to be fixed before 2024-10-04.
+
+To this end, we removed the old `tests` directory which has no purpose any more 
+and caused the check note.
+
+In addition, this submission adds some new functions (`tidyr::drop_na()` method, `dplyr::dplyr_reconstruct()` method, methods to convert objects of other classes to `sftime` objects) and fixes a minor bug in `st_time<-.sftime`.
+
+
+## R CMD check results
+
+0 errors | 0 warnings | 0 notes
+
+
+## revdepcheck results
+
+We checked 6 reverse dependencies (5 from CRAN + 1 from Bioconductor), comparing R CMD check results across CRAN and dev versions of this package.
+
+ * We saw 0 new problems
+ * We failed to check 0 packages