Fixed leftover commands

Author: wtripp180901

image/Dockerfile

@@ -20,7 +20,6 @@ RUN set -ex \
     && yum -y module enable ruby:2.7 nodejs:14 \
     && yum -y install https://yum.osc.edu/ondemand/2.0/ondemand-release-web-2.0-1.noarch.rpm \
     && yum -y module install ruby nodejs \
-    && cat <<EOF | tee /etc/yum.repos.d/kubernetes.repo
     && yum -y install \
        wget \
        bzip2 \