- disabled the non-functional sidedef range check.

Due to how sidedefs are decompressed this must not be checked in the linedef loader.

src/maploader/maploader.cpp

@@ -1675,7 +1675,6 @@ void MapLoader::LoadLineDefs (MapData * map)
 
 	auto mldf = map->Read(ML_LINEDEFS);
 	int numlines = mldf.Size() / sizeof(maplinedef_t);
-	int numsides = map->Size(ML_SIDEDEFS) / sizeof(mapsidedef_t);
 	linemap.Resize(numlines);
 
 	// [RH] Count the number of sidedef references. This is the number of
@@ -1742,14 +1741,6 @@ void MapLoader::LoadLineDefs (MapData * map)
 		}
 #endif
 		// cph 2006/09/30 - fix sidedef errors right away.
-		for (int j=0; j < 2; j++)
-		{
-			if (LittleShort(mld->sidenum[j]) != NO_INDEX && mld->sidenum[j] >= numsides)
-			{
-				mld->sidenum[j] = 0; // dummy sidedef
-				Printf("Linedef %d has a bad sidedef\n", i);
-			}
-		}
 		// patch missing first sides instead of crashing out.
 		// Visual glitches are better than not being able to play.
 		if (LittleShort(mld->sidenum[0]) == NO_INDEX)