remove facts_latest in favor of ansible_facts

* Closer align our facts data structure with ansible facts data
structure for purposes of ... wait for it ... 2-way fact caching

awx/api/views.py

@@ -1725,6 +1725,13 @@ class HostDetail(RetrieveUpdateDestroyAPIView):
     serializer_class = HostSerializer
 
 
+class HostAnsibleFactsDetail(RetrieveAPIView):
+
+    model = Host
+    serializer_class = AnsibleFactsSerializer
+    new_in_320 = True
+
+
 class InventoryHostsList(SubListCreateAttachDetachAPIView):
 
     model = Host
@@ -1842,15 +1849,6 @@ class HostFactCompareView(SystemTrackingEnforcementMixin, SubDetailAPIView):
         return Response(self.serializer_class(instance=fact_entry).data)
 
 
-class HostFactsLatestList(SubListAPIView):
-
-    model = FactLatest
-    parent_model = Host
-    relationship = 'facts_latest'
-    serializer_class = FactSerializer
-    new_in_320 = True
-
-
 class GroupList(ListCreateAPIView):
 
     model = Group