Remove async and update CRUD helpers

core/lib/products.py

@@ -1,14 +1,12 @@
-from asgiref.sync import sync_to_async
-
 from core.models import Plan
 
 
-async def assemble_plan_map(product_id_filter=None):
+def assemble_plan_map(product_id_filter=None):
     """
     Get all the plans from the database and create an object Stripe wants.
     """
     line_items = []
-    for plan in await sync_to_async(list)(Plan.objects.all()):
+    for plan in Plan.objects.all():
         if product_id_filter:
             if plan.product_id != product_id_filter:
                 continue