Maintenance: Enhance postgres dumps to be owner less
Maintenance: Enhance postgres dumps to be owner less

This commit removes owner ship information for upcoming database dumps. With this step the dumps are fully compatible between hosted & selfhosted.

Plus, if you use another use for restoration for whatever reason, the desired restoration may get easier.

In restoration terms this was covered by commit 764062907fd46c81b7dda03197d209408d443ae9
monotek/zammad,monotek/zammad,zammad/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad