Deprecate setting release version in the container source file

This commit also deprecates building container image for ppc64le as it
is not actively maintained. We will add support if users request for it
in the future.

Signed-off-by: Naga Ravi Chaitanya Elluri <nelluri@redhat.com>

containers/Dockerfile

@@ -17,9 +17,6 @@ ARG TAG
 RUN groupadd -g 1001 krkn && useradd -m -u 1001 -g krkn krkn
 RUN dnf update -y
 
-# krkn version that will be built
-ENV KRKN_VERSION v1.6.2
-
 ENV KUBECONFIG /home/krkn/.kube/config
 
 # install kubectl

containers/Dockerfile-ppc64le

@@ -1,24 +0,0 @@
-# Dockerfile for kraken
-
-FROM ppc64le/centos:8
-
-LABEL org.opencontainers.image.authors="Red Hat OpenShift Chaos Engineering"
-
-ENV KUBECONFIG /root/.kube/config
-
-# Install dependencies
-RUN yum install -y git python39 python3-pip jq gettext wget && \
-    python3.9 -m pip install -U pip && \
-    git clone https://github.com/redhat-chaos/krkn.git --branch v1.5.14 /root/kraken && \
-    mkdir -p /root/.kube && cd /root/kraken && \
-    pip3.9 install -r requirements.txt && \
-    pip3.9 install virtualenv && \
-    wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq && chmod +x /usr/bin/yq
-
-# Get Kubernetes and OpenShift clients from stable releases
-WORKDIR /tmp
-RUN wget https://mirror.openshift.com/pub/openshift-v4/clients/ocp/stable/openshift-client-linux.tar.gz && tar -xvf openshift-client-linux.tar.gz && cp oc /usr/local/bin/oc && cp oc /usr/bin/oc && cp kubectl /usr/local/bin/kubectl && cp kubectl /usr/bin/kubectl
-
-WORKDIR /root/kraken
-
-ENTRYPOINT python3.9 run_kraken.py --config=config/config.yaml