Update Dockerfile

Update dockerfile for enabling CI

Author: varshab1210

openshift-ci/build-root/Dockerfile

@@ -5,8 +5,6 @@ FROM registry.ci.openshift.org/openshift/release:rhel-9-release-golang-1.21-open
 ARG KUBECTL_KUTTL_VERSION=0.12.1
 ARG OPERATOR_SDK_VERSION=1.22.2
 
-RUN yum -y install dnf httpd-tools podman docker
-
 # Install kubectl tool which is used in e2e-tests
 RUN curl -sSL -o /usr/local/bin/kubectl "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" && \
      chmod +x /usr/local/bin/kubectl