Remove some unused cruft from wscript

wscript

@@ -39,72 +39,6 @@ def set_options(opt):
                 , dest='system'
                 )
 
-def mkdir_p(dir):
-  if not os.path.exists (dir):
-    os.makedirs (dir)
-
-# Copied from Python 2.6 because 2.4.4 at least is broken by not using
-# mkdirs
-# http://mail.python.org/pipermail/python-bugs-list/2005-January/027118.html
-def copytree(src, dst, symlinks=False, ignore=None):
-    names = os.listdir(src)
-    if ignore is not None:
-        ignored_names = ignore(src, names)
-    else:
-        ignored_names = set()
-
-    os.makedirs(dst)
-    errors = []
-    for name in names:
-        if name in ignored_names:
-            continue
-        srcname = join(src, name)
-        dstname = join(dst, name)
-        try:
-            if symlinks and os.path.islink(srcname):
-                linkto = os.readlink(srcname)
-                os.symlink(linkto, dstname)
-            elif os.path.isdir(srcname):
-                copytree(srcname, dstname, symlinks, ignore)
-            else:
-                shutil.copy2(srcname, dstname)
-            # XXX What about devices, sockets etc.?
-        except (IOError, os.error), why:
-            errors.append((srcname, dstname, str(why)))
-        # catch the Error from the recursive copytree so that we can
-        # continue with other files
-        except Error, err:
-            errors.extend(err.args[0])
-    try:
-        shutil.copystat(src, dst)
-    except OSError, why:
-        if WindowsError is not None and isinstance(why, WindowsError):
-            # Copying file access times may fail on Windows
-            pass
-        else:
-            errors.extend((src, dst, str(why)))
-    if errors:
-        raise Error, errors
-
-def conf_subproject (conf, subdir, command=None):
-  print("---- %s ----" % subdir)
-  src = join(conf.srcdir, subdir)
-  if not os.path.exists (src): conf.fatal("no such subproject " + subdir)
-
-  default_tgt = join(conf.blddir, "default", subdir)
-
-  if not os.path.exists(default_tgt):
-    copytree(src, default_tgt, True)
-
-  if command:
-    if os.system("cd \"%s\" && %s" % (default_tgt, command)) != 0:
-      conf.fatal("Configuring %s failed." % (subdir))
-
-  debug_tgt = join(conf.blddir, "debug", subdir)
-
-  if not os.path.exists(debug_tgt):
-    copytree(default_tgt, debug_tgt, True)
-
 def configure(conf):
   conf.check_tool('compiler_cxx')
   if not conf.env.CXX: conf.fatal('c++ compiler not found')