build: remove helm init from deploy.sh

from helm v3.x version there is no helm init
command. Removing the helm init which was causing
helm chart pushing issue in release and devel
branch.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
(cherry picked from commit 6508726)

deploy.sh

@@ -28,7 +28,6 @@ push_helm_charts() {
 	mkdir -p "$CHARTDIR/csi-charts/docs/$PACKAGE"
 	cp -R "./charts/ceph-csi-$PACKAGE" "$CHARTDIR/csi-charts/docs/$PACKAGE"
 	pushd "$CHARTDIR/csi-charts/docs/$PACKAGE" >/dev/null
-	helm init --client-only
 	helm package "ceph-csi-$PACKAGE"
 	popd >/dev/null