remove unnecessary R override file

com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/tools/R/makelazyload_overrides.R

-eval(expression(
-	makeLazyLoading <-
-		function(package, lib.loc = NULL, compress = TRUE,
-				keep.source = getOption("keep.source.pkgs"))
-{
-	if(!is.logical(compress) && ! compress %in% c(2,3))
-		stop("invalid value for 'compress': should be FALSE, TRUE, 2 or 3")
-	options(warn = 1L)
-	findpack <- function(package, lib.loc) {
-		pkgpath <- find.package(package, lib.loc, quiet = TRUE)
-		if(!length(pkgpath))
-			stop(gettextf("there is no package called '%s'", package),
-					domain = NA)
-		pkgpath
-	}
-
-	if (package == "base")
-		stop("this cannot be used for package 'base'")
-
-	loaderFile <- file.path(R.home("share"), "R", "nspackloader.R")
-	pkgpath <- findpack(package, lib.loc)
-	codeFile <- file.path(pkgpath, "R", package)
-
-	if (!file.exists(codeFile)) {
-		warning("package contains no R code")
-		return(invisible())
-	}
-#	if (file.info(codeFile)["size"] == file.info(loaderFile)["size"])
-	if (fastr.comparefilesizes(codeFile, loaderFile))
-		warning("package seems to be using lazy loading already")
-	else {
-		code2LazyLoadDB(package, lib.loc = lib.loc,
-				keep.source = keep.source, compress = compress)
-		file.copy(loaderFile, codeFile, TRUE)
-	}
-
-	invisible()
-}), asNamespace("tools"))