Remove obsolete assert.

Before-terminate-events now include events that have time delta
processing, with no memory to free.

client/TracyProfiler.cpp

@@ -1625,7 +1625,6 @@ static void FreeAssociatedMemory( const QueueItem& item )
         break;
 #endif
     default:
-        assert( false );
         break;
     }
 }