Don't use libvirt-devel to build libvirt binary

This shouldn't be required any more because we no longer link to libvirt
itself.

Author: zaneb

images/libvirt/Dockerfile.ci

@@ -6,8 +6,6 @@ FROM registry.ci.openshift.org/ocp/4.16:installer-terraform-providers as provide
 
 FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.21-openshift-4.16 AS builder
 ARG TAGS="libvirt"
-RUN yum install -y libvirt-devel && \
-    yum clean all && rm -rf /var/cache/yum/*
 WORKDIR /go/src/github.com/openshift/installer
 COPY . .
 COPY --from=providers /go/src/github.com/openshift/installer/terraform/bin/ terraform/bin/