Removing juju installation in the jenkins pipeline

With the new way of the juju accces in k8s_08 testsuite,
installing juju in the container is not needed.
k8s_08 testsuite changes: https://osm.etsi.org/gerrit/c/osm/tests/+/11104

Change-Id: I945aa6995241869926c5f76ec9c3eaf960576920
Signed-off-by: aktas <emin.aktas@ulakhaberlesme.com.tr>
diff --git a/docker/Dockerfile b/docker/Dockerfile
index a0740ff..b3b7860 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -21,18 +21,7 @@
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get -y install git software-properties-common \
     make python3 debhelper python3-pip apt-utils ssh iputils-ping libcurl4-openssl-dev libssl-dev cargo rustc
 
-# Installing Juju
-ARG JUJU_VERSION_M=2.8
-ARG JUJU_VERSION_R=11
-ARG JUJU_VERSION=$JUJU_VERSION_M.$JUJU_VERSION_R
-
-RUN curl --output /tmp/juju-$JUJU_VERSION-linux-amd64.tar.xz -LO \
-    https://launchpad.net/juju/$JUJU_VERSION_M/$JUJU_VERSION/+download/juju-$JUJU_VERSION-linux-amd64.tar.xz && \
-    tar -xf /tmp/juju-$JUJU_VERSION-linux-amd64.tar.xz -C /tmp && \
-    install /tmp/juju /usr/local/bin/juju && \
-    rm /tmp/juju /tmp/juju-$JUJU_VERSION-linux-amd64.tar.xz
-
-RUN add-apt-repository -y ppa:rmescandon/yq && apt update && apt install yq -y 
+RUN add-apt-repository -y ppa:rmescandon/yq && apt update && apt install yq -y
 
 RUN python3 -m pip install -U pip
 
@@ -67,9 +56,6 @@
 # Kubeconfig file
 ENV K8S_CREDENTIALS=/root/.kube/config
 
-# Juju data folder
-ENV JUJU_DATA=/root/.local/share/juju
-
 # OSM RSA file
 ENV OSM_RSA_FILE=/root/osm_id_rsa