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/Sandbox/Editor/Objects/DisplayContextShared.inl

@@ -18,8 +18,6 @@
 #include "Include/IIconManager.h"
 #include "Include/IDisplayViewport.h"
 
-#include <I3DEngine.h>
-
 #include <QDateTime>
 #include <QPoint>
 
@@ -32,7 +30,6 @@ DisplayContext::DisplayContext()
 {
     view = 0;
     renderer = 0;
-    engine = 0;
     flags = 0;
     settings = 0;
     pIconManager = 0;
@@ -981,27 +978,8 @@ void DisplayContext::RenderObject(int objectType, const Vec3& pos, float scale)
 }
 
 //////////////////////////////////////////////////////////////////////////
-void DisplayContext::RenderObject(int objectType, const Matrix34& tm)
+void DisplayContext::RenderObject(int, const Matrix34&)
 {
-    IStatObj* object = pIconManager ? pIconManager->GetObject((EStatObject)objectType) : 0;
-    if (object)
-    {
-        float color[4];
-        color[0] = m_color4b.r * (1.0f / 255.0f);
-        color[1] = m_color4b.g * (1.0f / 255.0f);
-        color[2] = m_color4b.b * (1.0f / 255.0f);
-        color[3] = m_color4b.a * (1.0f / 255.0f);
-
-        SRenderingPassInfo passInfo = SRenderingPassInfo::CreateGeneralPassRenderingInfo(GetIEditor()->GetSystem()->GetViewCamera());
-
-        Matrix34 xform = m_matrixStack[m_currentMatrix] * tm;
-        SRendParams rp;
-        rp.pMatrix = &xform;
-        rp.AmbientColor = ColorF(color[0], color[1], color[2], 1);
-        rp.fAlpha = color[3];
-
-        object->Render(rp, passInfo);
-    }
 }
 
 /////////////////////////////////////////////////////////////////////////