feat(dbus): Add InterfaceWlan for WLAN configuration management

Introduced `InterfaceWlan` to enable/disable WLAN hardware, check
availability, and track status via D-Bus. Integrated the new interface
with the bus provider initialization to ensure proper registration.

Signed-off-by: Sven Sager <s.sager@kunbus.com>

src/revpi_middleware/dbus_middleware1/system_config/interface_config.py

@@ -14,7 +14,6 @@ from .revpi_config import (
     configure_dphys_swapfile,
     configure_external_antenna,
     configure_gui,
-    configure_wlan,
 )
 from ..dbus_helper import DbusInterface
 
@@ -98,6 +97,5 @@ AVAILABLE_FEATURES = {
     "revpi-con-can": FeatureFunction(configure_con_can, []),
     "swapfile": FeatureFunction(configure_dphys_swapfile, []),
     "bluetooth": FeatureFunction(configure_bluetooth, []),
-    "wlan": FeatureFunction(configure_wlan, []),
     "external-antenna": FeatureFunction(configure_external_antenna, []),
 }