fix: do not remove skel automatically.

tools/server-update.sh

@@ -11,7 +11,6 @@ if cd /etc/ixvd/secrets; then
     cd -
 fi
 
-./tools/server-remove-skel.sh
 git pull
 ./tools/server-setup.sh
 ./tools/server-docker-compose.sh build --pull

tools/spread.sh

@@ -47,6 +47,7 @@ _ssh() {
     ssh \
         -l $SPREAD_USER \
         -o ConnectTimeout=5 \
+        ${SPREAD_SSH_OPTIONS:-} \
         $1 \
         "$SPREAD_COMMAND"
 }