remove lint from #1409

- fix copyright header
- remove dead code

contractor/geometry_compressor.cpp

@@ -1,6 +1,6 @@
 /*
 
-Copyright (c) 2015, Project OSRM, Dennis Luxen, others
+Copyright (c) 2015, Project OSRM contributors
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,
@@ -35,8 +35,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <limits>
 #include <string>
 
-//int UniqueNumber() { return ++free_list_maximum; }
-
 GeometryCompressor::GeometryCompressor()
 {
     m_free_list.reserve(100);