Remove service helper (4) (#16892)

* Update media_player

* Update lock

* Update notify

* Update remote

* Update scene

* Update vacuum

* Remove timer helpers

* Removed unused legacy helpers

tests/components/scene/common.py

@@ -0,0 +1,19 @@
+"""Collection of helper methods.
+
+All containing methods are legacy helpers that should not be used by new
+components. Instead call the service directly.
+"""
+from homeassistant.components.scene import DOMAIN
+from homeassistant.const import ATTR_ENTITY_ID, SERVICE_TURN_ON
+from homeassistant.loader import bind_hass
+
+
+@bind_hass
+def activate(hass, entity_id=None):
+    """Activate a scene."""
+    data = {}
+
+    if entity_id:
+        data[ATTR_ENTITY_ID] = entity_id
+
+    hass.services.call(DOMAIN, SERVICE_TURN_ON, data)