fix: remove time_step docstring

Author: dshemetov

R/methods-epi_archive.R

@@ -610,12 +610,6 @@ epix_detailed_restricted_mutate <- function(.data, ...) {
 #'   set to a regularly-spaced sequence of values set to cover the range of
 #'   `version`s in the `DT` plus the `versions_end`; the spacing of values will
 #'   be guessed (using the GCD of the skips between values).
-#' @param time_step Optional function used to define the meaning of one time
-#'   step, which if specified, overrides the default choice based on the
-#'   `time_value` column. This function must take a positive integer and return
-#'   an object of class `lubridate::period`. For example, we can use `time_step
-#'   = lubridate::hours` in order to set the time step to be one hour (this
-#'   would only be meaningful if `time_value` is of class `POSIXct`).
 #' @param new_col_name String indicating the name of the new column that will
 #'   contain the derivative values. Default is "slide_value"; note that setting
 #'   `new_col_name` equal to an existing column name will overwrite this column.