Clean up unused MQTT constants (#173095)

homeassistant/components/mqtt/config_integration.py

@@ -2,31 +2,9 @@
 
 import voluptuous as vol
 
-from homeassistant.const import (
-    CONF_CLIENT_ID,
-    CONF_DISCOVERY,
-    CONF_PASSWORD,
-    CONF_PORT,
-    CONF_PROTOCOL,
-    CONF_USERNAME,
-    Platform,
-)
+from homeassistant.const import Platform
 from homeassistant.helpers import config_validation as cv
 
-from .const import (
-    CONF_BIRTH_MESSAGE,
-    CONF_BROKER,
-    CONF_CERTIFICATE,
-    CONF_CLIENT_CERT,
-    CONF_CLIENT_KEY,
-    CONF_DISCOVERY_PREFIX,
-    CONF_KEEPALIVE,
-    CONF_TLS_INSECURE,
-    CONF_WILL_MESSAGE,
-)
-
-DEFAULT_TLS_PROTOCOL = "auto"
-
 CONFIG_SCHEMA_BASE = vol.Schema(
     {
         Platform.ALARM_CONTROL_PANEL.value: vol.All(cv.ensure_list, [dict]),
@@ -60,29 +38,3 @@ CONFIG_SCHEMA_BASE = vol.Schema(
         Platform.WATER_HEATER.value: vol.All(cv.ensure_list, [dict]),
     }
 )
-
-
-CLIENT_KEY_AUTH_MSG = (
-    "client_key and client_cert must both be present in the MQTT broker configuration"
-)
-
-DEPRECATED_CONFIG_KEYS = [
-    CONF_BIRTH_MESSAGE,
-    CONF_BROKER,
-    CONF_CLIENT_ID,
-    CONF_DISCOVERY,
-    CONF_DISCOVERY_PREFIX,
-    CONF_KEEPALIVE,
-    CONF_PASSWORD,
-    CONF_PORT,
-    CONF_PROTOCOL,
-    CONF_TLS_INSECURE,
-    CONF_USERNAME,
-    CONF_WILL_MESSAGE,
-]
-
-DEPRECATED_CERTIFICATE_CONFIG_KEYS = [
-    CONF_CERTIFICATE,
-    CONF_CLIENT_CERT,
-    CONF_CLIENT_KEY,
-]