[speaker] Remove deprecated codec_support_enabled option

esphome/components/speaker/media_player/__init__.py

@@ -44,7 +44,6 @@ DOMAIN = "media_player"
 
 CONF_ANNOUNCEMENT = "announcement"
 CONF_ANNOUNCEMENT_PIPELINE = "announcement_pipeline"
-CONF_CODEC_SUPPORT_ENABLED = "codec_support_enabled"  # Remove before 2026.10.0
 CONF_ENQUEUE = "enqueue"
 CONF_MEDIA_FILE = "media_file"
 CONF_MEDIA_PIPELINE = "media_pipeline"
@@ -103,15 +102,6 @@ def _validate_repeated_speaker(config):
 
 
 def _final_validate(config):
-    # Remove before 2026.10.0
-    if CONF_CODEC_SUPPORT_ENABLED in config:
-        _LOGGER.warning(
-            "'%s' is deprecated and will be removed in 2026.10.0. "
-            "Codec support is now automatically determined from the pipeline "
-            "'format' setting. Set format to 'NONE' to enable all codecs.",
-            CONF_CODEC_SUPPORT_ENABLED,
-        )
-
     # Request codecs based on pipeline formats. Codecs needed by local files are
     # already requested during CONFIG_SCHEMA validation (via audio_files_schema).
     media_player.request_codecs_for_format_configs(
@@ -151,8 +141,6 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(CONF_BUFFER_SIZE, default=1000000): cv.int_range(
                 min=4000, max=4000000
             ),
-            # Remove before 2026.10.0
-            cv.Optional(CONF_CODEC_SUPPORT_ENABLED): cv.Any(cv.boolean, cv.string),
             cv.Optional(CONF_FILES): audio_file.audio_files_schema(),
             cv.Optional(CONF_TASK_STACK_IN_PSRAM): psram.validate_task_stack_in_psram,
             cv.Optional(CONF_VOLUME_INCREMENT, default=0.05): cv.percentage,