Remove old standalone render.py

render.py

-#!/usr/bin/env python3
-
-import sys
-import jinja2
-import weasyprint
-
-
-def main():
-    env = jinja2.Environment(
-        loader=jinja2.FileSystemLoader("."),
-        autoescape=jinja2.select_autoescape(),
-        )
-    template = env.get_template(sys.argv[1])
-    r = template.render()
-    print(r)
-    doc = weasyprint.HTML(string=r, base_url=".")
-    doc.write_pdf(sys.argv[2])
-
-
-if __name__ == "__main__":
-    main()