CI: stop installing a custom Python on CentOS 7

It is not clear to me why this was pulling in a custom Python 3.6 when Python
3.6 is in the default repositories on CentOS 7. It is possible it was not
packaged there at the time this Dockerfile was written.

diff --git a/ci/centos7/Dockerfile b/ci/centos7/Dockerfile
index 31f865f0aed84ab530bfd20b10a9124c20c2f0fd..9d8a50eda8aa2b1539af6a6aeaa9448ac2a10f02 100644 (file)
--- a/ci/centos7/Dockerfile
+++ b/ci/centos7/Dockerfile
@@ -80,7 +80,6 @@ tk-devel \
 # Test utilities
 python3-pip \
 python3-setuptools \
-&& rpm --install https://download-ib01.fedoraproject.org/pub/epel/7/x86_64/Packages/p/python36-py-1.4.32-2.el7.noarch.rpm \
 && alternatives --install /usr/local/bin/cmake cmake /usr/bin/cmake3 20 \
 --slave /usr/local/bin/ctest ctest /usr/bin/ctest3 \
 --slave /usr/local/bin/cpack cpack /usr/bin/cpack3 \