patch-alarm: remove dl_hook

Replace dl_hook with "src_path" and "src_files"

Test Plan:

Pass: successfully build patch-alarm
Pass: No difference comparing with the result of dl_hook

Story: 2009101
Task: 43897

Signed-off-by: Yue Tao <Yue.Tao@windriver.com>
Change-Id: I7f7a59271d5f290b6f6a8778984bc5d3176536cd

patch-alarm/debian/dl_hook

@@ -1,13 +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}/update/patch-alarm)
-
-mkdir ${PKG_BUILD_NAME}
-
-# Copy source files from multiple locations to build root.
-cp -pr ${SRC}/patch-alarm/* ${PKG_BUILD_ROOT}
-cp -pr ${SRC}/scripts ${PKG_BUILD_ROOT}

patch-alarm/debian/meta_data.yaml

@@ -1,7 +1,9 @@
 ---
 debname: python3-patch-alarm
 debver: 1.0-1
-dl_hook: dl_hook
+src_path: patch-alarm
+src_files:
+  - scripts
 revision:
   dist: $STX_DIST
   PKG_GITREVCOUNT: true