Remove some usages of column_class

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/documents/views/document_page_views.py

@@ -51,7 +51,6 @@ class DocumentPageListView(SingleObjectListView):
 
     def get_extra_context(self):
         return {
-            'column_class': 'col-xs-12 col-sm-6 col-md-4 col-lg-3',
             'list_as_items': True,
             'object': self.get_document(),
             'title': _('Pages for document: %s') % self.get_document(),

mayan/apps/tags/views.py

@@ -238,7 +238,6 @@ class TagDocumentListView(DocumentListView):
         context = super(TagDocumentListView, self).get_extra_context()
         context.update(
             {
-                'column_class': 'col-xs-12 col-sm-6 col-md-4 col-lg-3',
                 'object': self.get_tag(),
                 'title': _('Documents with the tag: %s') % self.get_tag(),
             }