Update README.md

Author: rhijmans

README.md

@@ -5,25 +5,4 @@
 status](https://www.r-pkg.org/badges/version/raster)](https://cran.r-project.org/package=raster)
 [![CRAN RStudio mirror downloads](http://cranlogs.r-pkg.org/badges/raster)](http://www.r-pkg.org/pkg/raster)
 
-`raster` is an R package for spatial data analysis. Released versions are on [CRAN](https://cran.r-project.org/web/packages/raster/index.html). You can learn how to use it on On [rspatial.org](http://rspatial.org/) you can learn about spatial data analysis with R.
-
-[stackoverflow](https://stackoverflow.com/) is the best place to ask questions if you get stuck. Make sure to include a [simple reproducible example](https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example). If you have found a bug, you can file an [issue](https://github.com/rspatial/raster/issues).
-
-The easiest way to get the *development version* on Windows is to install it from the [R-universe](https://r-universe.dev/organizations/), like this:
-
-```
-install.packages('raster', repos='https://rspatial.r-universe.dev')
-```
-
-### From source-code
-
-To install from source code you can do:
-
-```r
-library(devtools)
-install_github("rspatial/raster")
-```
-
-If you are on Windows, you need to first install [Rtools](https://cran.r-project.org/bin/windows/Rtools/) to get a C++ compiler that R can use. 
-
-
+`raster` is an R package for spatial data analysis. The package is not futher developed. It has been replaced by "terra": [CRAN](https://cran.r-project.org/web/packages/terra/index.html), [github](https://github.com/rspatial/terra).