fix: remove pgbouncer test from ami tests (supabase#879)

Author: delgado3d

testinfra/test_ami.py

@@ -293,11 +293,6 @@ def is_healthy(host) -> bool:
  logger.warning("kong not ready")
  return False
 
- cmd = host.run("printf \\\\0 > '/dev/tcp/localhost/6543'")
- if cmd.failed is True:
- logger.warning("pgbouncer not ready")
- return False
-
  cmd = host.run("sudo fail2ban-client status")
  if cmd.failed is True:
  logger.warning("fail2ban not ready")