Reverted r9480 -- the patch broke the Oracle spatial backend.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9484 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/gis/db/backend/oracle/models.py

@@ -17,7 +17,6 @@ class GeometryColumns(models.Model):
     srid = models.IntegerField(primary_key=True)
     # TODO: Add support for `diminfo` column (type MDSYS.SDO_DIM_ARRAY).
     class Meta:
-        app_label = 'gis'
         db_table = 'USER_SDO_GEOM_METADATA'
 
     @classmethod
@@ -51,7 +50,6 @@ class SpatialRefSys(models.Model, SpatialRefSysMixin):
     class Meta:
         # TODO: Figure out way to have this be MDSYS.CS_SRS without
         #  having django's quoting mess up the SQL.
-        app_label = 'gis'
         db_table = 'CS_SRS'
 
     @property

django/contrib/gis/db/backend/postgis/models.py

@@ -23,7 +23,6 @@ class GeometryColumns(models.Model):
     type = models.CharField(max_length=30)
 
     class Meta:
-        app_label = 'gis'
         db_table = 'geometry_columns'
 
     @classmethod
@@ -59,7 +58,6 @@ class SpatialRefSys(models.Model, SpatialRefSysMixin):
     proj4text = models.CharField(max_length=2048)
 
     class Meta:
-        app_label = 'gis'
         db_table = 'spatial_ref_sys'
 
     @property