Merge pull request rails#50753 from adrienpoly/remove-deprecated-yarn-check

removes deprecated yarn check in bin/setup

Author: rafaelfranca

railties/lib/rails/generators/rails/app/templates/bin/setup.tt

@@ -18,7 +18,7 @@ FileUtils.chdir APP_ROOT do
 <% if using_node? -%>
 
   # Install JavaScript dependencies
-  system("yarn check --check-files") || system!("yarn install")
+  system("yarn install --check-files")
 <% elsif using_bun? -%>
 
   # Install JavaScript dependencies