Reverts 2105724. (#20915)

This change broke functionality for existing users using hdmi grabbers.

homeassistant/components/light/hyperion.py

@@ -177,6 +177,11 @@ class Hyperion(Light):
     def turn_off(self, **kwargs):
         """Disconnect all remotes."""
         self.json_request({'command': 'clearall'})
+        self.json_request({
+            'command': 'color',
+            'priority': self._priority,
+            'color': [0, 0, 0]
+        })
 
     def update(self):
         """Get the lights status."""