chore: cleanup

src/mqtt_handler.c

@@ -21,14 +21,6 @@
 #define HOMIE_STATE_DISCONNECTED "disconnected"
 #define MAX_PAYLOAD_LENGTH 256
 
-// TODO:
-// Property definitions
-typedef enum {
-  PROP_STATE,        // for relay
-  PROP_MOISTURE,     // for soil sensor
-  PROP_TEMPERATURE,  // for soil sensor and thermometer
-} device_property_t;
-
 // Parse Homie topic format: homie/node-id/device-name/property/[set|get]
 // Returns: 1 if successful, 0 if invalid format or buffer overflow
 static uint8_t parse_homie_topic(const char* topic, size_t topic_len,