Revert "Set volume_step in bluesound media_player" (#106582)

Revert "Set volume_step in bluesound media_player (#105672)"

This reverts commit 7fa55ffdd2.

homeassistant/components/bluesound/media_player.py

@@ -200,7 +200,6 @@ class BluesoundPlayer(MediaPlayerEntity):
     """Representation of a Bluesound Player."""
 
     _attr_media_content_type = MediaType.MUSIC
-    _attr_volume_step = 0.01
 
     def __init__(self, hass, host, port=None, name=None, init_callback=None):
         """Initialize the media player."""
@@ -1028,6 +1027,20 @@ class BluesoundPlayer(MediaPlayerEntity):
 
         return await self.send_bluesound_command(url)
 
+    async def async_volume_up(self) -> None:
+        """Volume up the media player."""
+        current_vol = self.volume_level
+        if not current_vol or current_vol >= 1:
+            return
+        return await self.async_set_volume_level(current_vol + 0.01)
+
+    async def async_volume_down(self) -> None:
+        """Volume down the media player."""
+        current_vol = self.volume_level
+        if not current_vol or current_vol <= 0:
+            return
+        return await self.async_set_volume_level(current_vol - 0.01)
+
     async def async_set_volume_level(self, volume: float) -> None:
         """Send volume_up command to media player."""
         if volume < 0: