Stop reporting max_volume in Lyngdorf diagnostics (#180828)

homeassistant/components/lyngdorf/diagnostics.py

@@ -73,7 +73,6 @@ async def async_get_config_entry_diagnostics(
         "model": receiver.model.name,
         "power_on": receiver.power_on,
         "volume": volume.value if volume is not None else None,
-        "max_volume": receiver.max_volume,
         "mute_enabled": receiver.muted,
         "source": receiver.source,
         "available_sources": receiver.sources,

tests/components/lyngdorf/conftest.py

@@ -115,7 +115,6 @@ def mock_receiver(mock_create_receiver: MagicMock) -> MagicMock:
     # Diagnostics reports the whole receiver, so every property it reads
     # needs a value here; an unset one is a mock the response cannot encode.
     receiver.model = LyngdorfModel.MP_60
-    receiver.max_volume = 0.0
     receiver.room_perfect_position = "Focus 1"
     receiver.available_room_perfect_positions = ["Global", "Focus 1"]
     receiver.room_perfect_positions = ["Global", "Focus 1"]

tests/components/lyngdorf/snapshots/test_diagnostics.ambr

@@ -90,7 +90,6 @@
       ]),
       'connected': True,
       'lipsync': 50.0,
-      'max_volume': 0.0,
       'model': 'MP_60',
       'mute_enabled': False,
       'power_on': False,