remove bitcoin donation address from readme

README.md

@@ -73,18 +73,9 @@ To incentivize development and reward contributors, we adopt a simple bounty sys
 
 To bring Haveno to life, we need resources. If you have the possibility, please consider [becoming a sponsor](https://haveno.exchange/sponsors/) or donating to the project:
 
-### Monero
-
 <p>
   <img src="https://raw.githubusercontent.com/haveno-dex/haveno/master/media/donate_monero.png" alt="Donate Monero" width="115" height="115"><br>
   <code>42sjokkT9FmiWPqVzrWPFE5NCJXwt96bkBozHf4vgLR9hXyJDqKHEHKVscAARuD7in5wV1meEcSTJTanCTDzidTe2cFXS1F</code>
 </p>
 
 If you are using a wallet that supports OpenAlias (like the 'official' CLI and GUI wallets), you can simply put `[email protected]` as the "receiver" address.
-
-### Bitcoin
-
-<p>
-  <img src="https://raw.githubusercontent.com/haveno-dex/haveno/master/media/donate_bitcoin.png" alt="Donate Bitcoin" width="115" height="115"><br>
-  <code>1AKq3CE1yBAnxGmHXbNFfNYStcByNDc5gQ</code>
-</p>