address NOTE on CRAN (packages needed for demo)

Author: edzer

DESCRIPTION

@@ -74,6 +74,7 @@ Imports:
     units (>= 0.7-0),
     utils
 Suggests:
+    animation,
     blob,
     nanoarrow,
     covr,

demo/00Index

@@ -1,8 +1,6 @@
 affine		demo script for affine transformations
 basic		simple feature test script
-bm_wkb		benchmark for reading larg(ish) well-known-binary data, comparing sf and wkb
 ggplot		shows use of geom_sf
 meuse_sf	create meuse simple feature table from data.frame
 nc			load (read) North Carolina sids data set from a geopackage file
-webmap		webmap demo from sp, modified to plot sf objects
 twitter		twitter globe demo

demo/bm_wkb.R

@@ -1,6 +1,5 @@
 # see https://gist.github.com/edzer/9c5c24434ffcaf42917796a98c4dd9a6
 library(sf)
-# library(maptools)
 library(animation)
 data(wrld_simpl, package = "maptools")
 w <- st_as_sf(wrld_simpl)