wxGUI: remove unused import

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@64497 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/wxgui.py

@@ -29,14 +29,9 @@ from grass.exceptions import Usage
 from grass.script.core import set_raise_on_error
 
 import wx
-try:
-    import wx.lib.agw.advancedsplash as SC
-except ImportError:
-    SC = None
 
 from lmgr.frame import GMFrame
 
-
 class GMApp(wx.App):
     def __init__(self, workspace = None):
         """ Main GUI class.