Replace JSON properties files to Yaml from docker images

POLICY-3469: Replace JSON properties files to Yaml from docker images
Change-Id: I23fbd9d84640286725440453d464c397e3144662
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>
diff --git a/packages/policy-clamp-docker/src/main/docker/KubernetesParticipantDockerfile b/packages/policy-clamp-docker/src/main/docker/KubernetesParticipantDockerfile
index 63209d7..d08e14f 100644
--- a/packages/policy-clamp-docker/src/main/docker/KubernetesParticipantDockerfile
+++ b/packages/policy-clamp-docker/src/main/docker/KubernetesParticipantDockerfile
@@ -36,8 +36,7 @@
 COPY /maven/lib/kubernetes-participant.tar.gz /packages
 
 RUN tar xvfz /packages/kubernetes-participant.tar.gz --directory $POLICY_HOME && \
-    rm /packages/kubernetes-participant.tar.gz && \
-    rm -rf $POLICY_HOME/lib
+    rm /packages/kubernetes-participant.tar.gz
 
 WORKDIR $POLICY_HOME
 COPY kubernetes-participant.sh  bin/.