Changed toast to warning - although condition to trigger should not b…

…e possible

app/src/main/java/org/thoughtcrime/securesms/groups/EditClosedGroupActivity.kt

@@ -310,10 +310,11 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity() {
         val userPublicKey = TextSecurePreferences.getLocalNumber(this)!!
         val userAsRecipient = Recipient.from(this, Address.fromSerialized(userPublicKey), false)
 
+        // There's presently way in the UI to get into the state whereby you could remove yourself from the group when removing any other members
+        // (you can't unselect yourself - the only way to leave is to "Leave Group" from the menu) - but it's possible that this was not always
+        // the case - so we can leave this in as defensive code in-case something goes screwy.
         if (!members.contains(userAsRecipient) && !members.map { it.address.toString() }.containsAll(originalMembers.minus(userPublicKey))) {
-            // ACL TODO - Need a proper string for this
-            val message = "Can't leave while adding or removing other members."
-            return Toast.makeText(this@EditClosedGroupActivity, message, Toast.LENGTH_LONG).show()
+            return Log.w("EditClosedGroup", "Can't leave group while adding or removing other members.")
         }
 
         if (isClosedGroup) {