Clean up Alexa smart home code (#24514)

* Clean up Alexa smart home code

* lint

* Lint

* Lint

homeassistant/components/alexa/config.py

@@ -0,0 +1,13 @@
+"""Config helpers for Alexa."""
+
+
+class Config:
+    """Hold the configuration for Alexa."""
+
+    def __init__(self, endpoint, async_get_access_token, should_expose,
+                 entity_config=None):
+        """Initialize the configuration."""
+        self.endpoint = endpoint
+        self.async_get_access_token = async_get_access_token
+        self.should_expose = should_expose
+        self.entity_config = entity_config or {}