Fix sript stop unable to find milvus process (#27957)

/kind improvement

Signed-off-by: yangxuan <xuan.yang@zilliz.com>

scripts/stop.sh

@@ -15,7 +15,7 @@
 # limitations under the License.
 
 echo "Stopping milvus..."
-PROCESS=$(ps -e | grep milvus | grep -v grep | grep run-with-subprocess | awk '{print $1}')
+PROCESS=$(ps -e | grep milvus | grep -v grep | awk '{print $1}')
 if [ -z "$PROCESS" ]; then
   echo "No milvus process"
   exit 0