Bug 13373 [1/2] - Update Polish web installer sample data files.

Bug 13373 [1/2] - Update Polish web installer sample data files.

Part 1/2 - mandatory files.

Changes:
- Translated user permission and user flags.
- Changed untranslated different files from en version
- Deleted unnecessary files

To test:
- Aplly patch
- Run webinstaller on empty database (drop database if necessary)
- Verify everything works, especially verify you have permission to all
modules, eg. Tools, Catalouging etc.
- Check spelling and grammar if you can :)

Signed-off-by: Chris <chris@bigballofwax.co.nz>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>