fix a couple typos in Qt from the msg spec update

closes  #5902
closes  #5905

IPython/core/usage.py

@@ -566,5 +566,5 b" default_gui_banner = ''.join(default_gui_banner_parts)"
 def page_guiref(arg_s=None):
     """Show a basic reference about the GUI Console."""
     from IPython.core import page
-    page.page(gui_reference, auto_html=True)
+    page.page(gui_reference)
 

IPython/qt/console/ipython_widget.py

@@ -233,7 +233,6 b' class IPythonWidget(FrontendWidget):'
         # data. But we need to figure out how to handle this in the GUI.
         if not self._hidden and self._is_from_this_session(msg):
             self.flush_clearoutput()
-            source = msg['content']['source']
             data = msg['content']['data']
             metadata = msg['content']['metadata']
             # In the regular IPythonWidget, we simply print the plain text

IPython/qt/console/rich_ipython_widget.py

@@ -135,7 +135,6 b' class RichIPythonWidget(IPythonWidget):'
         """
         if not self._hidden and self._is_from_this_session(msg):
             self.flush_clearoutput()
-            source = msg['content']['source']
             data = msg['content']['data']
             metadata = msg['content']['metadata']
             # Try to use the svg or html representations.