Install EPEL from build_helper

cmake_targets/tools/build_helper

@@ -637,7 +637,7 @@ check_install_oai_software() {
         echo "EPEL repos already present. Good."
       else
         echo "EPEL repos not present. Installing them."
-        $SUDO $INSTALLER install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
+        $SUDO $INSTALLER install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm
       fi
     fi
 

docker/Dockerfile.base.rhel9

@@ -44,7 +44,6 @@ ENV SMDEV_CONTAINER_OFF=1
 RUN rm -f /etc/rhsm-host && \
     dnf repolist --disablerepo=* && \
     subscription-manager repos --enable codeready-builder-for-rhel-9-x86_64-rpms && \
-    dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm -y && \
     dnf update -y && \
     dnf install -y \
        #gcc needed for build_oai