[GRASS-git] [OSGeo/grass] be6837: wxGUI: fix wxPython 4.1 support (#1161)

[nilason]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: be683778eb36d0a12a5ee70f4ee8ca354ab0831a
      https://github.com/OSGeo/grass/commit/be683778eb36d0a12a5ee70f4ee8ca354ab0831a
  Author: nilason <n_larsson at yahoo.com>
  Date:   2020-12-12 (Sat, 12 Dec 2020)

  Changed paths:
    M gui/wxpython/gui_core/dialogs.py
    M gui/wxpython/modules/import_export.py

  Log Message:
  -----------
  wxGUI: fix wxPython 4.1 support (#1161)

remove bad sizer flags