Update README.md

Author: pmq20

README.md

@@ -1,7 +1,5 @@
 # Ruby Packer
 
-https://enclose.io/
-
 *Packing your Ruby application into a single executable.*
 
 [![Windows](https://github.com/pmq20/ruby-packer/workflows/Windows/badge.svg)](https://github.com/pmq20/ruby-packer/actions?query=workflow%3A"Windows")
@@ -41,8 +39,6 @@ Whenever the `master` branch CI succeeded, a Ruby Packer pre-release binary woul
 
 ### Stable Releases
 
-For the list of all previous stable releases, see https://enclose.io/rubyc
-
 Here is the latest stable Ruby Packer release:
 
 |    OS     | Arch. |                                              Executable                                                      |