helm: update meta_data.yaml and remove dl_hook

"dl_files" replaces the ${HELM_SOURCE} in dl_hook
"src_path" replaces the ${SRC} in dl_hook

debrepack deploys the 2 fields to build directory,
so no longer need dl_hook

Test Plan:

Pass: successfully build test

Story: 2009101
Task: 43715

Signed-off-by: Yue Tao <yue.tao@windriver.com>
Change-Id: Icae8471dc5480f8176946143361e65f626ca5fef

kubernetes/helm/debian/dl_hook

@@ -1,18 +0,0 @@
-#!/bin/bash
-set -x
-
-PKG_BUILD_NAME=$1
-PKG_BUILD_ROOT=$(realpath `pwd`/${PKG_BUILD_NAME})
-STX_BASE=$(realpath ${MY_REPO}/stx)
-SRC=$(realpath ${STX_BASE}/integ/kubernetes/helm/centos/files)
-
-mkdir ${PKG_BUILD_ROOT}
-pushd ${PKG_BUILD_ROOT}
-cp -pr ${SRC}/* ${PKG_BUILD_ROOT}/
-
-# Local mirror workaround until CGCS_BASE mirror is supported.
-STX_MIRROR=$(realpath "/import/mirrors/starlingx")
-
-# Download and extract helm source package.
-HELM_SOURCE=$(realpath ${STX_MIRROR}/downloads/helm-v3.2.1-linux-amd64.tar.gz)
-cp ${HELM_SOURCE} ${PKG_BUILD_ROOT}

kubernetes/helm/debian/meta_data.yaml

@@ -1,7 +1,12 @@
 ---
 debname: helm
 debver: 3.2.1-1
-dl_hook: dl_hook
+src_path: centos/files
+dl_files:
+  helm-v3.2.1-linux-amd64.tar.gz:
+    topdir: linux-amd64
+    url: https://get.helm.sh/helm-v3.2.1-linux-amd64.tar.gz
+    md5sum: 98764c2c0175bd306223cc985700d619
 revision:
   dist: $STX_DIST
   PKG_GITREVCOUNT: true