remove update function

main/config.h

@@ -27,7 +27,7 @@ typedef struct
 
 /**
  * @brief Initialize the config system
- * Loads configuration from NVS and initializes subsystems
+ * Loads configuration from NVS
  * @return ESP_OK on success
  */
 esp_err_t config_init(void);
@@ -38,13 +38,6 @@ esp_err_t config_init(void);
  */
 void config_get_config(config_t *const cnf);
 
-/**
- * @brief Update configuration and save to NVS
- * @param config New configuration
- * @return ESP_OK on success
- */
-esp_err_t config_update_config(const config_t *config);
-
 /**
  * @brief Reset configuration to defaults
  * @return ESP_OK on success