no need to translate string coming out of database backend

removed ugettext around display name also

lti_consumer/lti_consumer.py

@@ -843,17 +843,17 @@ class LtiConsumerXBlock(StudioEditableXBlockMixin, XBlock):
             'element_id': self.location.html_id(),  # pylint: disable=no-member
             'element_class': self.category,  # pylint: disable=no-member
             'launch_target': self.launch_target,
-            'display_name': self.ugettext(self.display_name),
+            'display_name': self.display_name,
             'form_url': self.runtime.handler_url(self, 'lti_launch_handler').rstrip('/?'),
             'hide_launch': self.hide_launch,
             'has_score': self.has_score,
             'weight': self.weight,
             'module_score': self.module_score,
-            'comment': self.ugettext(sanitized_comment),
+            'comment': sanitized_comment,
             'description': self.description,
             'ask_to_send_username': self.ask_to_send_username,
             'ask_to_send_email': self.ask_to_send_email,
-            'button_text': self.ugettext(self.button_text),
+            'button_text': self.button_text,
             'inline_height': self.inline_height,
             'modal_vertical_offset': self._get_modal_position_offset(self.modal_height),
             'modal_horizontal_offset': self._get_modal_position_offset(self.modal_width),