Red code legacy MemoryManager, StreamEngine, ResourceManager, ImageHandler, AsyncPakManager, and more (#758)

Remove from CryCommon and CrySystem:
- MemoryManager and all related classes/files
- StreamEngine, ResourceManager, ImageHandler, and AsyncPakManager
- Various other related interfaces/files/classes etc. that are all now unused

Code/Sandbox/Editor/GotoPositionDlg.cpp

@@ -106,8 +106,7 @@ void CGotoPositionDlg::OnChangeEdit()
 {
     const int lengthInSw = 8;
     const int strNum = 6;
-    TArray< float > pos(strNum);
-    pos.Set(0);
+    AZStd::vector<float> pos(strNum);
 
     m_sPos = m_ui->m_posEdit->text();
     const QStringList parts = m_sPos.split(QRegularExpression("[\\s,;\\t]"), Qt::SkipEmptyParts);