Remove skipping of creating of BLOCK_HEADER in preR13

Author: michal-josef-spacek

src/out_json.c

@@ -1743,12 +1743,6 @@ dwg_json_object (Bit_Chain *restrict dat, Dwg_Object *restrict obj)
     case DWG_TYPE_BLOCK_CONTROL:
       return dwg_json_BLOCK_CONTROL (dat, obj);
     case DWG_TYPE_BLOCK_HEADER:
-      if (dat->version <= R_12
-          && strEQc (obj->tio.object->tio.BLOCK_HEADER->name, "*MODEL_SPACE"))
-        {
-          LOG_TRACE ("Skip *MODEL_SPACE\n");
-          return 0;
-        }
       return dwg_json_BLOCK_HEADER (dat, obj);
     case DWG_TYPE_LAYER_CONTROL:
       return dwg_json_LAYER_CONTROL (dat, obj);