Remove I3DEngine CryCommon Interface (#567)

Delete:

- I3DEngine
- Missions
- Time of day
- GameEffectsSystem Gem
- ImageProcessing Gem
- SVOGI Gem
- Various other things that don't do anything now that the legacy renderer has been removed.

Code/CryEngine/CrySystem/CrySystem_precompiled.h

@@ -102,7 +102,6 @@ inline int RoundToClosestMB(size_t memSize)
 #include <IRenderer.h>
 #include <CryFile.h>
 #include <ISystem.h>
-#include <I3DEngine.h>
 #include <ITimer.h>
 #include <IPhysics.h>
 #include <IXml.h>
@@ -127,7 +126,6 @@ namespace AZ::IO
     struct IArchive;
 }
 struct ICryFont;
-struct I3DEngine;
 struct IMovieSystem;
 struct IAudioSystem;
 struct IPhysicalWorld;