Revert "Load kvm module explicitly"

This reverts commit a1992630f03e2f82a71186fc69735a2be6f3cd2a.

Reason for revert: PRODX-00000

Change-Id: I2b24fb26cf8f4cedb6fe03c862740f578ece3615
diff --git a/de/heat-templates/scripts/instance_boot.sh b/de/heat-templates/scripts/instance_boot.sh
index b1b54fe..8f77132 100644
--- a/de/heat-templates/scripts/instance_boot.sh
+++ b/de/heat-templates/scripts/instance_boot.sh
@@ -330,15 +330,6 @@
     fi
 }
 
-function load_modules {
-    cat << EOF >> /etc/modprobe.d/qemu-system-x86.conf
-options kvm nested=1
-EOF
-
-modprobe kvm nested=1
-
-}
-
 
 case "$NODE_TYPE" in
     ucp)
@@ -379,7 +370,6 @@
         install_required_packages
         install_docker
         network_config
-        load_modules
         download_bundles
         join_node worker
         install_kubectl