[alarm] Added `alarm.delete`.

platypush/plugins/alarm/__init__.py

@@ -412,6 +412,24 @@ class AlarmPlugin(RunnablePlugin, EntityManager):
                 snooze_interval=snooze_interval or alarm.snooze_interval,
             ).to_dict()
 
+    @action
+    def delete(self, name: str):
+        """
+        Delete an alarm.
+
+        :param name: Alarm name.
+        """
+        alarm = self._get_alarm(name)
+        assert not alarm.static, (
+            f'Alarm {name} is statically defined in the configuration, '
+            'cannot overwrite it programmatically'
+        )
+
+        with self._db.get_session() as session:
+            db_alarm = session.query(DbAlarm).filter_by(name=name).first()
+            assert db_alarm, f'Alarm {name} does not exist'
+            self._clear_alarm(db_alarm, session)
+
     @action
     def enable(self, name: str):
         """