remove bin/rails restart from bin/setup

No server is running on a fresh clone, so the restart signal is a
no-op. Aligns bin/setup with the default Rails template.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: dadachi

bin/setup

@@ -33,7 +33,4 @@ FileUtils.chdir APP_ROOT do
 
   puts "\n== Removing old logs and tempfiles =="
   system! "bin/rails log:clear tmp:clear"
-
-  puts "\n== Restarting application server =="
-  system! "bin/rails restart"
 end