fix accounts crash (#4543)

launcher/minecraft/auth/AccountList.cpp

@@ -669,7 +669,7 @@ void AccountList::beginActivity()
 void AccountList::endActivity()
 {
     if (m_activityCount == 0) {
-        qWarning() << m_name << " - Activity count would become below zero";
+        qWarning() << "Activity count would become below zero";
         return;
     }
     bool deactivating = m_activityCount == 1;

launcher/minecraft/auth/AccountList.h

@@ -111,7 +111,6 @@ class AccountList : public QAbstractListModel {
     void endActivity();
 
    private:
-    const char* m_name;
     uint32_t m_activityCount = 0;
    signals:
     void listChanged();