refactor: update payments feature to use StaffPayment model and clean up unused code

apps/mobile/packages/features/staff/payments/pubspec.yaml

@@ -2,16 +2,10 @@ name: staff_payments
 description: Staff Payments feature
 version: 0.0.1
 publish_to: 'none'
-<<<<<<< Updated upstream
-
-environment:
-  sdk: '>=3.0.0 <4.0.0'
-=======
 resolution: workspace
 
 environment:
   sdk: '>=3.10.0 <4.0.0'
->>>>>>> Stashed changes
   flutter: ">=3.0.0"
 
 dependencies:
@@ -28,11 +22,10 @@ dependencies:
     path: ../../../core_localization
   krow_domain:
     path: ../../../domain
-<<<<<<< Updated upstream
-=======
   krow_core:
     path: ../../../core
->>>>>>> Stashed changes
+  krow_data_connect:
+    path: ../../../data_connect
 
 dev_dependencies:
   flutter_test: