[nextion] Remove deprecated dump_device_info option (#20388)

esphome/components/nextion/display.py

@@ -1,5 +1,3 @@
-import logging
-
 from esphome import automation
 import esphome.codegen as cg
 from esphome.components import display, esp32, uart
@@ -43,8 +41,6 @@ from .base_component import (
     CONF_WAKE_UP_PAGE,
 )
 
-_LOGGER = logging.getLogger(__name__)
-
 CODEOWNERS = ["@senexcrenshaw", "@edwardtfn"]
 DEPENDENCIES = ["uart"]
 
@@ -56,15 +52,6 @@ def AUTO_LOAD() -> list[str]:
     return base
 
 
-def _deprecated_dump_device_info(value):
-    _LOGGER.warning(
-        "'dump_device_info' is deprecated and will be removed in ESPHome 2026.11.0. "
-        "Device info is now always logged at connection time. "
-        "Please remove this option from your configuration."
-    )
-    return value
-
-
 def _validate_tft_upload(config):
     has_tft_url = CONF_TFT_URL in config
     for conf_key in (
@@ -91,9 +78,11 @@ CONFIG_SCHEMA = cv.All(
                 cv.positive_time_period_milliseconds,
                 cv.Range(max=TimePeriod(milliseconds=255)),
             ),
-            # Deprecated — device info is now always logged. Remove before 2026.11.0.
-            cv.Optional(CONF_DUMP_DEVICE_INFO): cv.All(
-                cv.boolean, _deprecated_dump_device_info
+            # Removed in 2026.11.0 - kept to provide helpful error message
+            # Remove before 2027.5.0
+            cv.Optional(CONF_DUMP_DEVICE_INFO): cv.invalid(
+                "The 'dump_device_info' option has been removed in ESPHome 2026.11.0.\n"
+                "Device info is now always logged, so remove this option from your configuration."
             ),
             cv.Optional(CONF_EXIT_REPARSE_ON_START, default=False): cv.boolean,
             cv.Optional(CONF_MAX_QUEUE_AGE, default="8000ms"): cv.All(