Description of problem:
Posggresql cartridge remove failed
It aways failed with php app on OSE V2 environment, and appeared in denenv environment accidentally.

Puddle && Devenv version:
OpenShiftEnterprise/1.2/2013-05-17.2 && devenv_3247

How reproducible:
Frequently appeared

Step to reproduce:
1. Create an app
# rhc app create php php-5.3 -predhat
2. Embedded postgresql-8.4 to php
# rhc cartridge add postgresql-8.4 -a php -predhat
3. Remove postgresql-8.4 cartridge
# rhc cartridge remove postgresql-8.4 -a php -predhat --confirm

Actual restuls:
The  server did not respond correctly. This may be an issue with the server  configuration or with your connection to the server (such as a Web proxy  or firewall). Please verify that you can access the OpenShift server
https://broker.osetestv2.com/broker/rest/domains/sun005/applications/php/cartridges/postgresql-8.4

Expected results:
Remove successed

Additional Info:
---------------mcollective.log-----------------
...
Shell  command '/sbin/runuser -m -s /bin/sh 519a05e4ab808ac0420000d9 -c "exec  /usr/bin/runcon 'unconfined_u:system_r:openshift_t:s0:c6,c176' /bin/sh  -c  \"/var/lib/openshift/519a05e4ab808ac0420000d9/postgresql/bin/teardown\""'  returned an error. rc=1
rm: cannot remove `/var/lib/openshift/519a05e4ab808ac0420000d9/app-root/data//.psql_history*': No such file or directory
...