new buzzer component

components/evse/include/evse_state.h

@@ -53,11 +53,6 @@ evse_state_t evse_get_state(void);
  */
 void evse_set_state(evse_state_t state);
 
-/**
- * @brief Returns the tick count when the current charging session began.
- */
-TickType_t evse_get_session_start(void);
-
 /**
  * @brief Converts the state enum into a human-readable string.
  */