Remove model property from context and query

This will require a subsequent change in Serrano

Signed-off-by: Don Naegely <naegelyd@gmail.com>

avocado/query/models.py

@@ -1,6 +1,5 @@
 import jsonfield
 from django.db import models
-from modeltree.tree import trees
 from avocado.core.cache import cached_method
 from . import oldparsers as parsers
 
@@ -57,13 +56,6 @@ def __and__(self, other):
     def __or__(self, other):
         return self._combine(other, 'or')
 
-    @property
-    def model(self):
-        "The model this context represents with respect to the count."
-        if self.tree in trees:
-            return trees[self.tree].root_model
-        return trees.default.root_model
-
     @classmethod
     def validate(cls, attrs, **context):
         "Validate `attrs` as a context."
@@ -192,13 +184,6 @@ def json(self):
             'view': self.view_json
         }
 
-    @property
-    def model(self):
-        "The model this query represents with respect to the counts."
-        if self.tree in trees:
-            return trees[self.tree].root_model
-        return trees.default.root_model
-
     @classmethod
     def validate(cls, attrs, **context):
         "Validates `attrs` as a query."