bt: Remove unused function esp_bt_get_mac.

Closes https://github.com/espressif/esp-idf/issues/7410

components/bt/include/esp32/include/esp_bt.h

@@ -383,12 +383,6 @@ esp_err_t esp_bt_controller_disable(void);
  */
 esp_bt_controller_status_t esp_bt_controller_get_status(void);
 
-/**
- * @brief  Get BT MAC address.
- * @return Array pointer of length 6 storing MAC address value.
- */
-uint8_t* esp_bt_get_mac(void);
-
 /** @brief esp_vhci_host_callback
  *  used for vhci call host function to notify what host need to do
  */

components/bt/include/esp32c3/include/esp_bt.h

@@ -527,12 +527,6 @@ void esp_bt_controller_wakeup_request(void);
  */
 int esp_bt_h4tl_eif_io_event_notify(int event);
 
-/**
- * @brief  Get BT MAC address.
- * @return Array pointer of length 6 storing MAC address value.
- */
-uint8_t* esp_bt_get_mac(void);
-
 #ifdef __cplusplus
 }
 #endif

components/bt/include/esp32s3/include/esp_bt.h

@@ -526,12 +526,6 @@ void esp_bt_controller_wakeup_request(void);
  */
 int esp_bt_h4tl_eif_io_event_notify(int event);
 
-/**
- * @brief  Get BT MAC address.
- * @return Array pointer of length 6 storing MAC address value.
- */
-uint8_t* esp_bt_get_mac(void);
-
 #ifdef __cplusplus
 }
 #endif