Remove atop from env files

Because of the fact that new function has been merged to
install required packages atop is removed from env files.

Related-PROD: PROD-0000
Change-Id: I2f8b5b7b2805677c3427ea1fa48ba347eb1ecb90
diff --git a/de/heat-templates/env/mstr1-wrkr3-cmp2-gtw0.yaml b/de/heat-templates/env/mstr1-wrkr3-cmp2-gtw0.yaml
index 4c9e163..c9382eb 100644
--- a/de/heat-templates/env/mstr1-wrkr3-cmp2-gtw0.yaml
+++ b/de/heat-templates/env/mstr1-wrkr3-cmp2-gtw0.yaml
@@ -29,7 +29,7 @@
         local cloud_netplan_cfg="/etc/netplan/50-cloud-init.yaml"
         local match_ip_line
 
-        DEBIAN_FRONTEND=noninteractive apt -y install bridge-utils atop
+        DEBIAN_FRONTEND=noninteractive apt -y install bridge-utils
 
     cat << EOF > /etc/systemd/network/10-veth-phy-br.netdev
     [NetDev]