Remove download_url from setup.py (#1164)

This is an old, outdated key which is simply moved into `project_urls`. As it offers no value, it is being removed.
Fixes Python-Markdown#1163.

1 files changed, 0 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 5a29677..d18c1a7 100755
--- a/setup.py
+++ b/setup.py
@@ -59,7 +59,6 @@ setup(
     name='Markdown',
     version=__version__,
     url='https://Python-Markdown.github.io/',
-    download_url='http://pypi.python.org/packages/source/M/Markdown/Markdown-%s-py2.py3-none-any.whl' % __version__,
     project_urls={
         'Documentation': 'https://Python-Markdown.github.io/',
         'GitHub Project': 'https://github.com/Python-Markdown/markdown',