wxGUI: remove unused import (dialogs)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@66337 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_core/dialogs.py

@@ -40,8 +40,7 @@ from core import globalvar
 from core.gcmd import GError, RunCommand, GMessage
 from gui_core.gselect import LocationSelect, MapsetSelect, Select, \
                              OgrTypeSelect, SubGroupSelect
-from gui_core.widgets import SingleSymbolPanel, GListCtrl, SimpleValidator, \
-    MapValidator, LayersList
+from gui_core.widgets import SingleSymbolPanel, GListCtrl, SimpleValidator, MapValidator
 from core.utils import _
 from core.settings import UserSettings
 from core.debug import Debug