Update release notes

Author: chkr1011

Source/ReleaseNotes.md

@@ -13,8 +13,6 @@
 * Client: MQTT 5.0.0 is now the default version when connecting with a server **(BREAKING CHANGE)**
 * Client: Fixed enhanced authentication.
 * Client: Exposed WebSocket compression options in MQTT client options (thanks to @victornor, #2127)
-* Server: Set default for "MaxPendingMessagesPerClient" to 1000 **(BREAKING CHANGE)**
-* Server: Set SSL version to "None" which will let the OS choose the version **(BREAKING CHANGE)**
 * Server: Fixed enhanced authentication.
 * Server: Set default for "MaxPendingMessagesPerClient" to 1000 **(BREAKING CHANGE)**
 * Server: Set SSL version to "None" which will let the OS choose the version **(BREAKING CHANGE)**