Move project_urls to setup.cfg

setup.cfg

@@ -1,5 +1,10 b''
 [metadata]
 license_file = LICENSE
+project_urls =
+    Documentation = https://ipython.readthedocs.io/
+    Funding = https://numfocus.org/
+    Source = https://github.com/ipython/ipython
+    Tracker = https://github.com/ipython/ipython/issues
 
 [velin]
 ignore_patterns = 

setupbase.py

@@ -74,12 +74,6 b' setup_args = dict('
       keywords         = keywords,
       classifiers      = classifiers,
       cmdclass         = {'install_data': install_data_ext},
-      project_urls={
-          'Documentation': 'https://ipython.readthedocs.io/',
-          'Funding'      : 'https://numfocus.org/',
-          'Source'       : 'https://github.com/ipython/ipython',
-          'Tracker'      : 'https://github.com/ipython/ipython/issues',
-      }
       )