Fix control message issues on leaving group (#904)

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/ControlMessageView.kt

@@ -213,12 +213,6 @@ class ControlMessageView : LinearLayout {
                     }
                 }
             }
-            message.isGroupUpdateMessage -> {
-                val updateMessageData: UpdateMessageData? = UpdateMessageData.fromJSON(message.body)
-                if (updateMessageData?.isGroupErrorQuitKind() == true) {
-                    binding.textView.setTextColor(context.getColorFromAttr(R.attr.danger))
-                }
-            }
         }
 
         binding.textView.isGone = message.isCallLog

app/src/main/java/org/thoughtcrime/securesms/groups/GroupManagerV2Impl.kt

@@ -501,6 +501,8 @@ class GroupManagerV2Impl @Inject constructor(
                 } catch (e: Exception) {
                     storage.insertGroupInfoErrorQuit(groupId)
                     throw e
+                } finally {
+                    storage.deleteGroupInfoMessages(groupId, UpdateMessageData.Kind.GroupLeaving::class.java)
                 }
             }
         }