do not check pid when leaving cluster

bin/vernemq.sh

@@ -122,12 +122,13 @@ siguser1_handler() {
 # SIGTERM-handler
 sigterm_handler() {
     echo "Stopping VerneMQ Pod... VerneMQ@${IP_ADDRESS} "
-    if [[ $pid -ne 0 ]]; then
+    echo "VerneMQ PID = ${pid}"
+    #if [[ $pid -ne 0 ]]; then
         echo "Leaving cluster..."
         # this will stop the VerneMQ process
         vmq-admin cluster leave node=VerneMQ@$IP_ADDRESS -k > /dev/null
         wait "$pid"
-    fi
+    #fi
     exit 143; # 128 + 15 -- SIGTERM
 }
 
@@ -150,5 +151,5 @@ touch /var/log/vernemq/console.log
 while true
 do
     tail -f /var/log/vernemq/console.log & wait ${!}
-done
+    done