Remove: NO_DEBUG_MESSAGES was only read and setting it broke compilation (#6703)

Given any speed issue cannot be attributed to checking for _debug_NNN_level, removing this is a safe action

This fixes #6652.

src/pathfinder/yapf/yapf_base.hpp

@@ -122,10 +122,8 @@ public:
 	{
 		m_veh = v;
 
-#ifndef NO_DEBUG_MESSAGES
 		CPerformanceTimer perf;
 		perf.Start();
-#endif /* !NO_DEBUG_MESSAGES */
 
 		Yapf().PfSetStartupNodes();
 		bool bDestFound = true;
@@ -154,7 +152,6 @@ public:
 
 		bDestFound &= (m_pBestDestNode != NULL);
 
-#ifndef NO_DEBUG_MESSAGES
 		perf.Stop();
 		if (_debug_yapf_level >= 2) {
 			int t = perf.Get(1000000);
@@ -174,7 +171,6 @@ public:
 				);
 			}
 		}
-#endif /* !NO_DEBUG_MESSAGES */
 		return bDestFound;
 	}