Stop exporting `data_frame()` and `as_data_frame()` from tibble?

they were deprecated in tibble 2.0, (2019) and create a bit of noise in the autocomplete. Removing them from dplyr would be the first step of removing them from tibble.

Unless, it is planned to make them defunct in tibble first, then removing them from both tibble and dplyr at the same time?