Legacy code cleanup - part 3 (#3903)

* Legacy cleanup - part 3

Not much is left that can be easily removed,
so I think this will be last cleanup before the legacy functionality is replaced.

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* fix windows build, remove a few more things, re-add one file

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Remove legacy RenderBus + more cleanups

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Remove MaterialOwnerBus.h

Clean-up in Cry_Matrix34/33

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

Code/Editor/Util/EditorUtils.h

@@ -20,9 +20,6 @@
 #include <Cry_Color.h>
 #include <CryCommon/ISystem.h>
 
-//! Typedef for quaternion.
-//typedef CryQuat Quat;
-
 #include <QColor>
 #include <QDataStream>
 #include <QGuiApplication>

Code/Editor/Util/KDTree.h

@@ -37,7 +37,7 @@ public:
     struct SStatObj
     {
         Matrix34 tm;
-        _smart_ptr<IStatObj> pStatObj;
+        IStatObj* pStatObj;
     };
 
 private: