Remove bin/ruby hacks

From jruby/jruby#8875: * The bash script is now always installed as both `jruby` and `ruby`, so copying or linking is unnecessary. * We now include in our distribution a `ruby.bat` so creating that is unnecessary.

Author: headius

.github/workflows/build.yml

@@ -115,21 +115,6 @@ jobs:
  ls -l jruby-*-SNAPSHOT/bin
  mv jruby-*-SNAPSHOT jruby-head
  ls -l jruby-head/bin
- - name: Add ruby alias
- if: "!startsWith(matrix.os, 'windows')"
- run: |
- cd jruby-head/bin
- ln -s jruby ruby
- - name: Add ruby alias (Windows)
- if: startsWith(matrix.os, 'windows')
- shell: bash
- run: |
- cd jruby-head/bin
- # Copy bash launcher, so 'ruby' works in bash
- cp jruby ruby
- # Create ruby.bat, so 'ruby' works in pwsh
- echo -en "@ECHO OFF\r\n@\"%~dp0jruby.exe\" %*\r\n" > ruby.bat
- ls -l
  - name: Create archive
  run: tar czf jruby-head-${{ steps.platform.outputs.platform }}.tar.gz jruby-head