Made some tweaks so I'm happy with it.

* Removed #defines
 * Fall back to using visible distance if ghost distance is not used
 * Removed ghost distance from level files as it will default
 * Renamed mConnectionVisibleDistance for consistency

Engine/source/scene/sceneManager.h

@@ -59,8 +59,6 @@
 #include "core/util/tSignal.h"
 #endif
 
-#include "torqueConfig.h"
-
 
 class LightManager;
 class SceneRootZone;
@@ -143,9 +141,7 @@ class SceneManager
 
       F32 mVisibleDistance;
 
-#ifdef GHOSTSCOPING
       F32 mVisibleGhostDistance;
-#endif
       F32 mNearClip;
 
       FogData mFogData;
@@ -322,10 +318,9 @@ class SceneManager
       /// Returns the default visible distance for the scene.
       F32 getVisibleDistance() { return mVisibleDistance; }
 
-#ifdef GHOSTSCOPING
       void setVisibleGhostDistance( F32 dist ) { mVisibleGhostDistance = dist; }
       F32  getVisibleGhostDistance() { return mVisibleGhostDistance;}
-#endif
+
       /// Used by LevelInfo to set the default near clip plane 
       /// for rendering the scene.
       ///