Remove "rebuild sales" task (#303)

I've run the task, we now have ~14k sales entries

Author: soerface

drinks_touch/screens/settings/main_screen.py

@@ -17,7 +17,6 @@
     SyncFromKeycloakTask,
     InitializeBarcodeScannerTask,
 )
-from tasks.rebuild_sales import RebuildSalesTask
 
 
 class SettingsMainScreen(Screen):
@@ -176,15 +175,6 @@ def __init__(self, *args, **kwargs):
                             ]
                         ),
                     ),
-                    Button(
-                        text="Rebuild sales stats",
-                        on_click=lambda: self.go_if_git(
-                            TasksScreen(
-                                tasks=[RebuildSalesTask()],
-                            ),
-                        ),
-                        size=15,
-                    ),
                 ],
                 pos=(5, 100),
                 gap=15,