Removed more GeoQuerySet leftovers.

Follow up to a0d166306f.

django/contrib/gis/db/backends/oracle/operations.py

@@ -125,8 +125,7 @@ class OracleOperations(BaseSpatialOperations, DatabaseOperations):
         geometry_fields = (
             'PointField', 'GeometryField', 'LineStringField',
             'PolygonField', 'MultiPointField', 'MultiLineStringField',
-            'MultiPolygonField', 'GeometryCollectionField', 'GeomField',
-            'GMLField',
+            'MultiPolygonField', 'GeometryCollectionField',
         )
         if internal_type in geometry_fields:
             converters.append(self.convert_textfield_value)

django/contrib/gis/db/models/sql/__init__.py

@@ -1,7 +1,7 @@
 from django.contrib.gis.db.models.sql.conversion import (
-    AreaField, DistanceField, GeomField, GMLField,
+    AreaField, DistanceField,
 )
 
 __all__ = [
-    'AreaField', 'DistanceField', 'GeomField', 'GMLField'
+    'AreaField', 'DistanceField',
 ]

django/contrib/gis/db/models/sql/conversion.py

@@ -4,22 +4,10 @@ database.
 """
 from decimal import Decimal
 
-from django.contrib.gis.db.models.fields import GeoSelectFormatMixin
-from django.contrib.gis.geometry.backend import Geometry
 from django.contrib.gis.measure import Area, Distance
 from django.db import models
 
 
-class BaseField:
-    empty_strings_allowed = True
-
-    def get_db_converters(self, connection):
-        return [self.from_db_value]
-
-    def select_format(self, compiler, sql, params):
-        return sql, params
-
-
 class AreaField(models.FloatField):
     "Wrapper for Area values."
     def __init__(self, area_att=None):
@@ -73,32 +61,3 @@ class DistanceField(models.FloatField):
 
     def get_internal_type(self):
         return 'DistanceField'
-
-
-class GeomField(GeoSelectFormatMixin, BaseField):
-    """
-    Wrapper for Geometry values.  It is a lightweight alternative to
-    using GeometryField (which requires an SQL query upon instantiation).
-    """
-    # Hacky marker for get_db_converters()
-    geom_type = None
-
-    def from_db_value(self, value, expression, connection, context):
-        if value is not None:
-            value = Geometry(value)
-        return value
-
-    def get_internal_type(self):
-        return 'GeometryField'
-
-
-class GMLField(BaseField):
-    """
-    Wrapper for GML to be used by Oracle to ensure Database.LOB conversion.
-    """
-
-    def get_internal_type(self):
-        return 'GMLField'
-
-    def from_db_value(self, value, expression, connection, context):
-        return value