clean up

openlp/core/ui/generaltab.py

@@ -382,6 +382,7 @@ class GeneralTab(SettingsTab):
 
     def onMonitorComboBoxChanged(self, index):
         """
+        The ``monitorComboBox`` has changed to the given ``index``.
         """
         self.display_changed = True
         if self.overrideCheckBox.isChecked():

openlp/core/ui/screen.py

@@ -36,11 +36,6 @@ from openlp.core.lib import Receiver, translate
 
 log = logging.getLogger(__name__)
 
-class Screen(object):
-    primary = True
-    number = 0
-    size = QtCore.QRect(0, 0, 1024, 768)
-
 class ScreenList(object):
     """
     Wrapper to handle the parameters of the display screen.