Merge the 'debug chunks' and 'object paging debug batches' settings into a single one

apps/openmw/mwrender/objectpaging.cpp

@@ -390,7 +390,7 @@ namespace MWRender
          , mRefTrackerLocked(false)
     {
         mActiveGrid = Settings::Manager::getBool("object paging active grid", "Terrain");
-        mDebugBatches = Settings::Manager::getBool("object paging debug batches", "Terrain");
+        mDebugBatches = Settings::Manager::getBool("debug chunks", "Terrain");
         mMergeFactor = Settings::Manager::getFloat("object paging merge factor", "Terrain");
         mMinSize = Settings::Manager::getFloat("object paging min size", "Terrain");
         mMinSizeMergeFactor = Settings::Manager::getFloat("object paging min size merge factor", "Terrain");

docs/source/reference/modding/settings/terrain.rst

@@ -107,7 +107,10 @@ debug chunks
 :Range:		True/False
 :Default:	False
 
-This debug setting allows you to see the borders of each chunks of the world by drawing lines arround them (as with toggleborder).
+This debug setting allows you to see the borders of each chunks of the world by drawing lines arround them (as with toggleborder). 
+If object paging is set to true then this debug setting will allows you to see what objects have been merged in the scene
+by making them colored randomly.
+
 
 object paging
 -------------
@@ -203,12 +206,3 @@ object paging min size cost multiplier
 This setting adjusts the calculated cost of merging an object used in the mentioned functionality.
 The larger this value is, the less expensive objects can be before they are discarded.
 See the formula above to figure out the math.
-
-object paging debug batches
----------------------------
-:Type:		boolean
-:Range:		True/False
-:Default:	False
-
-This debug setting allows you to see what objects have been merged in the scene
-by making them colored randomly.