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/MainWindow.cpp

@@ -90,7 +90,6 @@ AZ_POP_DISABLE_WARNING
 
 #include "TrackView/TrackViewDialog.h"
 #include "ErrorReportDialog.h"
-#include "TimeOfDayDialog.h"
 
 #include "Dialogs/PythonScriptsDialog.h"
 #include "EngineSettingsManager.h"
@@ -1078,8 +1077,6 @@ void MainWindow::InitActions()
     // Tools actions
     am->AddAction(ID_RELOAD_TEXTURES, tr("Reload Textures/Shaders"))
         .SetStatusTip(tr("Reload all textures."));
-    am->AddAction(ID_RELOAD_GEOMETRY, tr("Reload Geometry"))
-        .SetStatusTip(tr("Reload all geometries."));
     am->AddAction(ID_TOOLS_ENABLEFILECHANGEMONITORING, tr("Enable File Change Monitoring"));
     am->AddAction(ID_CLEAR_REGISTRY, tr("Clear Registry Data"))
         .SetStatusTip(tr("Clear Registry Data"));
@@ -1352,12 +1349,6 @@ void MainWindow::InitEnvironmentModeMenu(CVarMenu* environmentModeMenu)
     environmentModeMenu->AddCVarToggleItem({ "r_ssdo", tr("Hide Screen Space Directional Occlusion"), 0, 1 });
     environmentModeMenu->AddCVarToggleItem({ "e_DynamicLights", tr("Hide All Dynamic Lights"), 0, 1 });
     environmentModeMenu->AddSeparator();
-    environmentModeMenu->AddCVarValuesItem("e_TimeOfDay", tr("Time of Day"),
-        {
-            {tr("Day (1:00 pm)"), 13},
-            {tr("Night (9:00 pm)"), 21}
-        }, 9);
-    environmentModeMenu->AddSeparator();
     environmentModeMenu->AddCVarToggleItem({ "e_Entities", tr("Hide Entities"), 0, 1 });
     environmentModeMenu->AddSeparator();
     environmentModeMenu->AddCVarToggleItem({ "e_Vegetation", tr("Hide Vegetation"), 0, 1 });