postgresql manual uninstall at OS X

[ Envirenment ]
- OS X : 10.9.1
- postgresql 8.4.19-2

[ Method ]
- 아래와 같이 처리 한다
sudo /sbin/SystemStarter stop postgresql-8.4
sudo rm -rf /Applications/PostgreSQL\ 8.4
sudo rm -rf /etc/postgres-reg.ini
sudo rm -rf /Library/StartupItems/postgresql-8.4
sudo rm -rf /Library/PostgreSQL/8.4
sudo dscl . delete /users/postgres

- reboot

[ Origin ]
- http://russbrooks.com/2010/11/25/install-postgresql-9-on-os-x