Fix MQTT password sync script

Remove automatic sync that required authentication. Users should either:
- Log into Admin Panel and click 'Sync MQTT Config'
- Or restart Mosquitto container to apply changes

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

change-mqtt-admin-password.sh

@@ -66,52 +66,11 @@ sleep 5
 echo -e "${GREEN}✓ App should be ready${NC}"
 echo
 
-# Step 4: Trigger sync via internal Node.js script
-echo -e "${YELLOW}Step 4: Triggering MQTT configuration sync...${NC}"
-
-# Create a temporary Node.js script to trigger sync
-cat > /tmp/trigger-mqtt-sync.js << 'EOF'
-// Trigger MQTT Sync from inside the container
-async function triggerSync() {
-  try {
-    // Import the sync function
-    const { syncMosquittoConfig } = require('./lib/mosquitto-sync');
-
-    console.log('Triggering Mosquitto sync...');
-    const result = await syncMosquittoConfig();
-
-    if (result.success) {
-      console.log('✓ Sync successful');
-      console.log('Message:', result.message);
-      process.exit(0);
-    } else {
-      console.error('✗ Sync failed');
-      console.error('Message:', result.message);
-      process.exit(1);
-    }
-  } catch (error) {
-    console.error('✗ Sync error:', error.message);
-    process.exit(1);
-  }
-}
-
-triggerSync();
-EOF
-
-# Copy script into container and execute
-docker cp /tmp/trigger-mqtt-sync.js location-tracker:/app/trigger-mqtt-sync.js
-
-# Execute the sync script inside the container
-if docker exec location-tracker node trigger-mqtt-sync.js; then
-    echo -e "${GREEN}✓ MQTT configuration synced successfully${NC}"
-else
-    echo -e "${RED}✗ Sync failed, but password is updated in .env${NC}"
-    echo -e "${YELLOW}You can manually trigger sync from the Admin Panel${NC}"
-fi
-
-# Cleanup
-docker exec location-tracker rm -f trigger-mqtt-sync.js
-rm -f /tmp/trigger-mqtt-sync.js
+# Step 4: Manual sync instruction (automatic sync removed due to authentication requirement)
+echo -e "${YELLOW}Step 4: MQTT configuration sync${NC}"
+echo -e "${YELLOW}Note: Automatic sync requires admin authentication.${NC}"
+echo -e "${YELLOW}Please log into the Admin Panel and click 'Sync MQTT Config' to apply the new password.${NC}"
+echo -e "${YELLOW}Alternatively, restart Mosquitto: docker-compose restart mosquitto${NC}"
 
 echo
 echo -e "${GREEN}========================================${NC}"