Revert "Merge branch 'master' of https://github.com/AlecZadikian9001/Chat-System-BlueJ"

This reverts commit 77d015cf3afafd5852be9028fd6f8e878d52b152, reversing
changes made to ab9705770b9a30f3321a9bc1fb82c68cf5d9a473.
Revert "chatclient & audioclient fixes"

This reverts commit ab9705770b9a30f3321a9bc1fb82c68cf5d9a473.