Remove enable-usb-eth-hotplug overlay

The USB ethernet hotplug overlay is no longer needed and has been removed
from both build profiles and documentation.

Author: paxx12

Makefile

@@ -8,11 +8,11 @@ OUTPUT_FILE := firmware/firmware.bin
 
 ifeq (basic,$(PROFILE))
 OVERLAYS += store-version kernel-modules
-OVERLAYS += enable-ssh enable-usb-eth-hotplug disable-wlan-power-save disable-ipv6
+OVERLAYS += enable-ssh disable-wlan-power-save disable-ipv6
 OVERLAYS += enable-native-camera-fluidd
 else ifeq (extended,$(PROFILE))
 OVERLAYS += store-version kernel-modules
-OVERLAYS += enable-ssh enable-usb-eth-hotplug disable-wlan-power-save disable-ipv6
+OVERLAYS += enable-ssh disable-wlan-power-save disable-ipv6
 OVERLAYS += stub-fluidd-timelapse camera-v4l2-mpp fluidd-upgrade
 OVERLAYS += rfid-support
 OVERLAYS += enable-klipper-includes enable-moonraker-apprise

README.md

@@ -18,7 +18,7 @@ and the [release notes](https://github.com/paxx12/SnapmakerU1/releases/latest).
 ### Basic Firmware
 
 - [SSH Access](docs/ssh_access.md) - Remote shell access with `root/snapmaker` and `lava/snapmaker`
-- [USB Ethernet Adapters](docs/usb_ethernet.md) - Hot-plug support for USB ethernet devices
+- USB Ethernet Adapters - Hot-plug support with automatic DHCP configuration
 - [Data Persistence](docs/data_persistence.md) - Persistent storage across firmware updates
 - Enable fluidd automatically with camera feed.
 - Disable IPv6 to fix camera issues with Snorca app in LAN mode.
@@ -44,7 +44,6 @@ Known issues:
 - [Installation Guide](docs/install.md) - How to install custom firmware
 - [Building from Source](docs/development.md) - Development guide for building custom firmware
 - [SSH Access](docs/ssh_access.md) - How to access the printer via SSH
-- [USB Ethernet](docs/usb_ethernet.md) - USB ethernet adapter configuration
 - [Camera Support](docs/camera_support.md) - Camera features and WebRTC streaming
 - [Klipper and Moonraker Custom Includes](docs/klipper_includes.md) - Add custom configuration files via Fluidd
 - [RFID Filament Tag Support](docs/rfid_support.md) - RFID filament tag usage and programming

docs/development.md

@@ -55,7 +55,6 @@ The build system supports two profiles:
 ### Feature Overlays
 
 - `enable-ssh` - Enable SSH access
-- `enable-usb-eth-hotplug` - USB ethernet adapter hot-plug support
 - `disable-wlan-power-save` - Disable WLAN power saving
 - `enable-native-camera-fluidd` - Native camera integration in Fluidd (~1Hz)
 - `camera-v4l2-mpp` - Hardware-accelerated camera stack (MPP/VPU)
@@ -71,7 +70,6 @@ The build system supports two profiles:
 │   ├── store-version/           Store firmware version
 │   ├── kernel-modules/          Kernel module compilation
 │   ├── enable-ssh/              SSH access configuration
-│   ├── enable-usb-eth-hotplug/  USB ethernet hot-plug
 │   ├── disable-wlan-power-save/ Disable WLAN power saving
 │   ├── enable-native-camera-fluidd/ Native camera for Fluidd
 │   ├── camera-v4l2-mpp/         Hardware-accelerated camera (MPP/VPU)