Remove stray g_message()s

Leftovers from previous commits.

src/gui/gcal-calendar-popover.c

@@ -233,8 +233,6 @@ on_manager_synchronizing_changed_cb (GcalManager         *manager,
                                      GParamSpec          *pspec,
                                      GcalCalendarPopover *self)
 {
-  g_message ("Notify");
-
   if (gcal_manager_get_synchronizing (manager))
     schedule_switch_to_spinner (self);
   else

src/gui/gcal-source-dialog.c

@@ -2084,7 +2084,6 @@ gcal_source_dialog_set_property (GObject      *object,
   switch (prop_id)
     {
     case PROP_CONTEXT:
-      g_message ("Setting the context");
       g_assert (self->context == NULL);
       self->context = g_value_dup_object (value);
       setup_context (self);