Don't serialize pricing

- Saves MANY queries and provides drastic speedup

InvenTree/part/models.py

@@ -1007,8 +1007,3 @@ class BomItem(models.Model):
         base_quantity = self.quantity * build_quantity
 
         return base_quantity + self.get_overage_quantity(base_quantity)
-
-    @property
-    def price_info(self):
-        """ Return the price for this item in the BOM """
-        return self.sub_part.get_price_info(self.quantity)

InvenTree/part/serializers.py

@@ -34,7 +34,6 @@ class PartBriefSerializer(serializers.ModelSerializer):
 
     url = serializers.CharField(source='get_absolute_url', read_only=True)
     image_url = serializers.CharField(source='get_image_url', read_only=True)
-    single_price_info = serializers.CharField(read_only=True)
     
     class Meta:
         model = Part
@@ -44,7 +43,6 @@ class PartBriefSerializer(serializers.ModelSerializer):
             'full_name',
             'description',
             'available_stock',
-            'single_price_info',
             'image_url',
         ]
 
@@ -114,7 +112,6 @@ class BomItemSerializer(InvenTreeModelSerializer):
 
     part_detail = PartBriefSerializer(source='part', many=False, read_only=True)
     sub_part_detail = PartBriefSerializer(source='sub_part', many=False, read_only=True)
-    price_info = serializers.CharField(read_only=True)
 
     @staticmethod
     def setup_eager_loading(queryset):
@@ -132,7 +129,6 @@ class BomItemSerializer(InvenTreeModelSerializer):
             'sub_part',
             'sub_part_detail',
             'quantity',
-            'price_info',
             'overage',
             'note',
         ]