[web] remove widget.render backward compatibility
there are very few widgets outside CW that used old render API and they
should have all been updated by now.
@echo off
rem = """-*-Python-*- script
rem -------------------- DOS section --------------------
rem You could set PYTHONPATH or TK environment variables here
python -x "%~f0" %*
goto exit
"""
# -------------------- Python section --------------------
from cubicweb.cwctl import run
import sys
run(sys.argv[1:])
DosExitLabel = """
:exit
rem """