remove unused imports

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29506 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/patches/transforms/png_to_text.py

 from Products.PortalTransforms.interfaces import itransform
-from StringIO import StringIO
-import PIL.Image
 from Products.PortalTransforms.libtransforms.commandtransform \
     import popentransform
 
 import os
-import sys
 import tempfile
 
 class png_to_text(popentransform):

product/ERP5Type/patches/transforms/w3m_dump.py

@@ -26,7 +26,6 @@
 #
 ##############################################################################
 
-import os
 from Products.PortalTransforms.interfaces import itransform
 from Products.PortalTransforms.libtransforms.commandtransform import popentransform