Remove MTU migration phase 1 - moving to homelab-scripts repo

scripts/network/mtu_phase1.sh

@@ -1,30 +0,0 @@
-#!/bin/bash
-# MTU Migration Phase 1 — daemon.json + docker restart
-# Args: $1=hostname $2=sync_epoch
-HOST=$1
-SYNC=$2
-LOG=/volume1/docker/mtu_migration/${HOST}_phase1.log
-exec >> "$LOG" 2>&1
-echo "[$(date)] $HOST waiting for sync epoch $SYNC"
-while [ "$(date +%s)" -lt "$SYNC" ]; do sleep 1; done
-echo "[$(date)] $HOST SYNC reached"
-echo "[$(date)] Writing daemon.json"
-cat > /etc/docker/daemon.json << 'DAEMON'
-{
-  "data-root": "/volume1/docker-root/",
-  "storage-driver": "overlay2",
-  "dns-search": ["."],
-  "mtu": 8950
-}
-DAEMON
-echo "[$(date)] daemon.json: $(cat /etc/docker/daemon.json)"
-echo "[$(date)] Restarting docker..."
-systemctl restart docker
-sleep 15
-echo "[$(date)] eth0 MTU: $(ip link show eth0 | grep -o 'mtu [0-9]*')"
-echo "[$(date)] docker MTU: $(python3 -c "import json; print(json.load(open('/etc/docker/daemon.json')).get('mtu','NOT SET'))")"
-sleep 20
-echo "[$(date)] Docker status: $(systemctl is-active docker)"
-docker node ls 2>&1 || echo "[$(date)] swarm not ready yet"
-echo "[$(date)] $HOST phase1 COMPLETE"
-touch /volume1/docker/mtu_migration/${HOST}_phase1.done