correct version of BLE libraries

last working version of this library with the ESP32 env revision pointed in the wiki

lib/ESP32_BLE_Arduino/src/BLEAdvertising.cpp

@@ -91,16 +91,6 @@ void BLEAdvertising::setAppearance(uint16_t appearance) {
 	m_advData.appearance = appearance;
 } // setAppearance
 
-void BLEAdvertising::setMinInterval(uint16_t mininterval) {
-	m_advData.min_interval = mininterval;
-	m_advParams.adv_int_min = mininterval;
-} // setMinInterval
-
-void BLEAdvertising::setMaxInterval(uint16_t maxinterval) {
-	m_advData.max_interval = maxinterval;
-	m_advParams.adv_int_max = maxinterval;
-} // setMaxInterval
-
 
 /**
  * @brief Set the filtering for the scan filter.