Remove template parts due to compatibility issue.

src/deb/hestia/postinst

@@ -68,8 +68,4 @@ if [ ! -z "$BACKEND_PORT" ]; then
     /usr/local/hestia/bin/v-change-sys-port $BACKEND_PORT
 fi
 
-# Update Web and DNS templates
-rm -rf /usr/local/hestia/data/templates/*
-cp -rf /usr/local/hestia/install/ubuntu/18.04/templates/* /usr/local/hestia/data/templates/
-
 exit 0