This patch contains the changes where setuptools are used in an inherited
package and removing this input keeps the need for inheriting the package.
* gnu/packages/bioinformatics.scm (python2-biom-format): Remove
python-setuptools respective python2-setuptools from [inputs],
[native-inputs] and [propagated-inputs] in Python 2 packages inheriting from
a Python 3 package.
* gnu/packages/python.scm (python2-pytest-mock,
python2-oauthlib,
python2-seaborn,
python2-tornado,
python2-terminado,
python2-rauth,
python2-anyjson,
python2-amqp,
python2-kombu,
python2-billiard,
python2-celery,
python2-jellyfish,
python2-binaryornot,
python2-natsort,
python2-graphene): Likewise.
* gnu/packages/statistics.scm (python2-statsmodels): Likewise.