Revert "Upgrade all esp32 targets to NimBLE 2.X (#9003)" (#9125)

This reverts commit 40f1f91c0d.

src/nimble/NimbleBluetooth.h

@@ -12,11 +12,16 @@ class NimbleBluetooth : BluetoothApi
     bool isConnected();
     int getRssi();
     void sendLog(const uint8_t *logMessage, size_t length);
+#if defined(NIMBLE_TWO)
     void startAdvertising();
+#endif
     bool isDeInit = false;
 
   private:
     void setupService();
+#if !defined(NIMBLE_TWO)
+    void startAdvertising();
+#endif
 };
 
 void setBluetoothEnable(bool enable);