readme: remove efnet webchat link that doesn't work anymore.

Author: adriweb

readme.md

@@ -11,7 +11,7 @@ Or just grab the latest release [here](https://github.com/CE-Programming/toolcha
 
 ## Getting Help
 
-You can join the `#ez80-dev` EFnet IRC channel for quick questions. ([webchat link](http://chat.efnet.org:9090/?nick=sdk-user&channels=%23ez80-dev&Login=Login))
+You can join the `#ez80-dev` EFnet IRC channel for quick questions (any IRC client will work, but you can use a web-based one like IRCCloud if you prefer)
 
 Depending on how active the channel is you might not get a response. In that case, post your questions [here](https://github.com/CE-Programming/toolchain/issues), and we will get back to you as soon as possible.