Remove unused scripts and actions

Author: vgvassilev

.github/workflows/jekyll.yml

@@ -33,8 +33,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: execute update contributor script 
-        run: "cd _data/repos; chmod +x ../../_scripts/get_repos.sh; ../../_scripts/get_repos.sh; ls -l"
       - name: Setup Ruby
         uses: ruby/setup-ruby@8575951200e472d5f2d95c625da0c7bec8217c42 # v1.161.0
         with: