message: Update README.md
  Removed repeated text in readme doc
diff: @@ -56,6 +56,6 @@ Here's a draft of the general tasks ahead. Feel free to pitch in and announce wh
  If you have questions, check out [our FAQ](https://github.com/SeleniumHQ/selenium-ide/wiki/Frequently-Asked-Questions).
  -You can also find us on on the [#selenium](irc://freenode.net/selenium) IRC
  +You can also find us on the [#selenium](irc://freenode.net/selenium) IRC
  channel, which is also available on
  [Slack](https://www.selenium.dev/support/#ChatRoom).
  