Drop depencence on six module

src/Tools/generateBase/generateDS.py

@@ -31,8 +31,6 @@ import urllib2
 from xml.sax import handler, make_parser
 import xml.sax.xmlreader
 
-from six.moves import raw_input
-
 ##from IPython.Shell import IPShellEmbed
 ##args = ''
 ##ipshell = IPShellEmbed(args,

src/Tools/offlinedoc/buildqhelp.py

@@ -33,8 +33,6 @@ This script builds qhrlp files from a local copy of the wiki
 import sys, os, re, tempfile, getopt, shutil
 from urllib2 import urlopen, HTTPError
 
-from six.moves import raw_input
-
 #    CONFIGURATION       #################################################
 
 FOLDER = "./localwiki"