[sen5x] Remove dead voc_baseline config option (#15391)

esphome/components/sen5x/sensor.py

@@ -25,7 +25,6 @@ from esphome.const import (
     CONF_TEMPERATURE_COMPENSATION,
     CONF_TIME_CONSTANT,
     CONF_VOC,
-    CONF_VOC_BASELINE,
     DEVICE_CLASS_AQI,
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_PM1,
@@ -165,7 +164,6 @@ CONFIG_SCHEMA = (
                 gain_factor=230,
             ),
             cv.Optional(CONF_STORE_BASELINE, default=True): cv.boolean,
-            cv.Optional(CONF_VOC_BASELINE): cv.hex_uint16_t,
             cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
                 unit_of_measurement=UNIT_CELSIUS,
                 icon=ICON_THERMOMETER,