Remove superfluous QtSvg import from ArchWindows.py

src/Mod/BIM/ArchWindow.py

@@ -34,7 +34,7 @@ from draftutils.messages import _wrn
 
 if FreeCAD.GuiUp:
     import FreeCADGui
-    from PySide import QtCore, QtGui, QtSvg
+    from PySide import QtCore, QtGui
     from draftutils.translate import translate
     from PySide.QtCore import QT_TRANSLATE_NOOP
     import draftguitools.gui_trackers as DraftTrackers