feat(ble/bluedroid): Support setting connection params when creating connection

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

@@ -566,8 +566,6 @@ esp_err_t esp_bt_controller_disable(void);
  */
 esp_bt_controller_status_t esp_bt_controller_get_status(void);
 
-uint16_t esp_bt_get_tx_buf_num(void);
-
 /** @brief esp_vhci_host_callback
  *  used for vhci call host function to notify what host need to do
  */