Remove outdated emails from setup.py

Author: mbmilligan

setup.py

@@ -36,7 +36,7 @@
     long_description    = long_desc,
     long_description_content_type = 'text/markdown',
     author              = "Michael Milligan, Andrea Zonca, Mike Gilbert",
-    author_email        = "[email protected], m [email protected], [email protected]",
+    author_email        = "[email protected]",
     url                 = "http://jupyter.org",
     license             = "BSD",
     platforms           = "Linux, Mac OS X",