move get_authorized_product_members / get_authorized_product_groups to Pro

After the V3 ViewSet removals (asset_members, asset_groups), no OS code
calls these helpers any more — only Pro does. Drop them from
dojo/product/queries.py and the now-orphan Product_Member, Product_Group,
Global_Role imports. Pro's pro/product/queries.py owns the new home;
Pro callers import from there.

Author: devGregA

dojo/product/queries.py

@@ -3,17 +3,6 @@
 except ImportError:
     def get_auth_filter(key): return None
 
-try:
-    from dojo.authorization.models import (
-        Global_Role,
-        Product_Group,
-        Product_Member,
-    )
-except ImportError:
-    Global_Role = None
-    Product_Group = None
-    Product_Member = None
-
 from dojo.models import (
     App_Analysis,
     DojoMeta,
@@ -34,20 +23,6 @@ def get_authorized_products(permission, user=None):
     return Product.objects.all().order_by("name")
 
 
-def get_authorized_product_members(permission):
-    impl = get_auth_filter("product.get_authorized_product_members")
-    if impl:
-        return impl(permission)
-    return Product_Member.objects.all().order_by("id").select_related("role")
-
-
-def get_authorized_product_groups(permission):
-    impl = get_auth_filter("product.get_authorized_product_groups")
-    if impl:
-        return impl(permission)
-    return Product_Group.objects.all().order_by("id").select_related("role")
-
-
 # Cached: all parameters are hashable, no dynamic queryset filtering
 @cache_for_request
 def get_authorized_app_analysis(permission):