The Turkish localization now includes a Profit and Loss report and a translatable Balance Sheet, making financial reporting clearer for Turkish users. The simplified balance sheet was removed because it duplicated the expanded balance sheet view.

* Make balance sheet report translatable
* Add PnL report
* Remove brief balance sheet as it is just unfolded balance sheet

This update removes unused internal files from the point-of-sale accounting reports area. It helps keep the module simpler to maintain without changing how users work with the system.

remove unused models directory and import

This update makes a small internal cleanup in the payroll planning code without changing how users work with the system. It helps keep the code easier to maintain, reducing future maintenance effort and risk.

more pythonic if statement