[R-package] remove deprecation warnings on lgb.prepare() functions (#3444)

R-package/NAMESPACE

@@ -24,10 +24,6 @@ export(lgb.load)
 export(lgb.model.dt.tree)
 export(lgb.plot.importance)
 export(lgb.plot.interpretation)
-export(lgb.prepare)
-export(lgb.prepare2)
-export(lgb.prepare_rules)
-export(lgb.prepare_rules2)
 export(lgb.save)
 export(lgb.train)
 export(lgb.unloader)

R-package/R/removed.R

-#' @title removed functions
-#' @name lgb.prepare
-#' @description removed functions
-#' @param ... catch-all to match old calls
-#' @return Nothing. This function always raises an exception
-#' @export
-lgb.prepare <- function(...) {
-    stop("lgb.prepare() was removed in LightGBM 3.0.0. Please use lgb.convert_with_rules()")
-}
-
-#' @title removed functions
-#' @name lgb.prepare2
-#' @description removed functions
-#' @param ... catch-all to match old calls
-#' @return Nothing. This function always raises an exception
-#' @export
-lgb.prepare2 <- function(...) {
-    stop("lgb.prepare2() was removed in LightGBM 3.0.0. Please use lgb.convert_with_rules()")
-}
-
-#' @title removed functions
-#' @name lgb.prepare_rules
-#' @description removed functions
-#' @param ... catch-all to match old calls
-#' @return Nothing. This function always raises an exception
-#' @export
-lgb.prepare_rules <- function(...) {
-    stop("lgb.prepare_rules() was removed in LightGBM 3.0.0. Please use lgb.convert_with_rules()")
-}
-
-#' @title removed functions
-#' @name lgb.prepare_rules2
-#' @description removed functions
-#' @param ... catch-all to match old calls
-#' @return Nothing. This function always raises an exception
-#' @export
-lgb.prepare_rules2 <- function(...) {
-    stop("lgb.prepare_rules2() was removed in LightGBM 3.0.0. Please use lgb.convert_with_rules()")
-}

R-package/man/lgb.prepare.Rd

-% Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/removed.R
-\name{lgb.prepare}
-\alias{lgb.prepare}
-\title{removed functions}
-\usage{
-lgb.prepare(...)
-}
-\arguments{
-\item{...}{catch-all to match old calls}
-}
-\value{
-Nothing. This function always raises an exception
-}
-\description{
-removed functions
-}

R-package/man/lgb.prepare2.Rd

-% Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/removed.R
-\name{lgb.prepare2}
-\alias{lgb.prepare2}
-\title{removed functions}
-\usage{
-lgb.prepare2(...)
-}
-\arguments{
-\item{...}{catch-all to match old calls}
-}
-\value{
-Nothing. This function always raises an exception
-}
-\description{
-removed functions
-}

R-package/man/lgb.prepare_rules.Rd

-% Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/removed.R
-\name{lgb.prepare_rules}
-\alias{lgb.prepare_rules}
-\title{removed functions}
-\usage{
-lgb.prepare_rules(...)
-}
-\arguments{
-\item{...}{catch-all to match old calls}
-}
-\value{
-Nothing. This function always raises an exception
-}
-\description{
-removed functions
-}

R-package/man/lgb.prepare_rules2.Rd

-% Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/removed.R
-\name{lgb.prepare_rules2}
-\alias{lgb.prepare_rules2}
-\title{removed functions}
-\usage{
-lgb.prepare_rules2(...)
-}
-\arguments{
-\item{...}{catch-all to match old calls}
-}
-\value{
-Nothing. This function always raises an exception
-}
-\description{
-removed functions
-}