Merge bitcoin/bitcoin#32282: torcontrol: Fix addrOnion outdated comment

bcaa23a torcontrol: Fix addrOnion outdate comment (Eval EXEC)

Pull request description:

  `m_randomize_credentials` is outdated name, remove it.
  Ref: bitcoin/bitcoin#32176 (comment)

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Tree-SHA512: 38ba9b37e560598605077da7a84c455aa1a7e49365c417ceceff85a18de2af393b164cc8c93cdd6da9eac4d41f046f0ed12bc0f6833fe606c412ce7f1fce5189

Author: achow101

src/torcontrol.cpp

@@ -404,9 +404,9 @@ void TorController::get_socks_cb(TorControlConnection& _conn, const TorControlRe
     Assume(resolved.IsValid());
     LogDebug(BCLog::TOR, "Configuring onion proxy for %s\n", resolved.ToStringAddrPort());
 
-    // With m_randomize_credentials = true, generates unique SOCKS credentials per proxy connection (e.g., Tor).
-    // Prevents connection correlation and enhances privacy by forcing different Tor circuits.
-    // Requires Tor's IsolateSOCKSAuth (default enabled) for effective isolation (see IsolateSOCKSAuth section in https://2019.www.torproject.org/docs/tor-manual.html.en).
+    // Add Tor as proxy for .onion addresses.
+    // Enable stream isolation to prevent connection correlation and enhance privacy, by forcing a different Tor circuit for every connection.
+    // For this to work, the IsolateSOCKSAuth flag must be enabled on SOCKSPort (which is the default, see the IsolateSOCKSAuth section of Tor's manual page).
     Proxy addrOnion = Proxy(resolved, /*tor_stream_isolation=*/ true);
     SetProxy(NET_ONION, addrOnion);