Minor cleanup

app/src/main/java/de/kuschku/quasseldroid_ng/ui/chat/ChatActivity.kt

@@ -9,7 +9,6 @@ import android.content.SharedPreferences
 import android.os.Build
 import android.os.Bundle
 import android.os.PersistableBundle
-import android.support.design.widget.Snackbar
 import android.support.v4.graphics.drawable.DrawableCompat
 import android.support.v4.widget.DrawerLayout
 import android.support.v7.app.ActionBarDrawerToggle
@@ -84,8 +83,6 @@ class ChatActivity : ServiceBoundActivity(), SharedPreferences.OnSharedPreferenc
 
   private lateinit var viewModel: QuasselViewModel
 
-  private var snackbar: Snackbar? = null
-
   private lateinit var database: QuasselDatabase
 
   private lateinit var backlogSettings: BacklogSettings

lib/src/main/java/de/kuschku/libquassel/quassel/syncables/IrcChannel.kt

@@ -244,17 +244,16 @@ class IrcChannel(
     if (!isKnownUser(ircuser))
       return
     _userModes.remove(ircuser)
-    live_userModes.onNext(_userModes)
     ircuser.partChannel(this)
     if (network().isMe(ircuser) || _userModes.isEmpty()) {
       for (user in _userModes.keys) {
         user.partChannel(this)
       }
       _userModes.clear()
-      live_userModes.onNext(_userModes)
       network().removeIrcChannel(this)
       proxy.stopSynchronize(this)
     }
+    live_userModes.onNext(_userModes)
     super.part(ircuser)
   }