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.

Gems/LyShine/Code/Source/Animation/AnimSequence.cpp

@@ -20,7 +20,6 @@
 
 #include "StlUtils.h"
 #include "EventNode.h"
-#include "I3DEngine.h"
 #include "AzEntityNode.h"
 #include "UiAnimSerialize.h"