Update permission requirements for API

- Automatically use model permissions by default!
-

InvenTree/stock/api.py

@@ -68,7 +68,6 @@ class StockDetail(generics.RetrieveUpdateDestroyAPIView):
 
     queryset = StockItem.objects.all()
     serializer_class = StockItemSerializer
-    permission_classes = (permissions.IsAuthenticated,)
 
     def get_queryset(self, *args, **kwargs):
 
@@ -289,10 +288,6 @@ class StockLocationList(generics.ListCreateAPIView):
             
         return queryset
 
-    permission_classes = [
-        permissions.IsAuthenticated,
-    ]
-
     filter_backends = [
         DjangoFilterBackend,
         filters.SearchFilter,
@@ -695,10 +690,6 @@ class StockList(generics.ListCreateAPIView):
 
         return queryset
 
-    permission_classes = [
-        permissions.IsAuthenticated,
-    ]
-
     filter_backends = [
         DjangoFilterBackend,
         filters.SearchFilter,
@@ -744,10 +735,6 @@ class StockItemTestResultList(generics.ListCreateAPIView):
     queryset = StockItemTestResult.objects.all()
     serializer_class = StockItemTestResultSerializer
 
-    permission_classes = [
-        permissions.IsAuthenticated,
-    ]
-
     filter_backends = [
         DjangoFilterBackend,
         filters.SearchFilter,
@@ -799,7 +786,6 @@ class StockTrackingList(generics.ListCreateAPIView):
 
     queryset = StockItemTracking.objects.all()
     serializer_class = StockTrackingSerializer
-    permission_classes = [permissions.IsAuthenticated]
 
     def get_serializer(self, *args, **kwargs):
         try:
@@ -871,7 +857,6 @@ class LocationDetail(generics.RetrieveUpdateDestroyAPIView):
 
     queryset = StockLocation.objects.all()
     serializer_class = LocationSerializer
-    permission_classes = (permissions.IsAuthenticated,)
 
 
 stock_endpoints = [