Remove obsolete and unused HAVE_CXX0X macro from buildsystems

CMakeLists.txt

@@ -252,10 +252,6 @@ if(NOT MSVC)
 check_compiler_has_flag(CXX_FLAGS_PROJECT "-Wall" HAS_COMPILER_FLAG_WALL)
 endif(NOT MSVC)
 
-### Set some extra var for C++11
-add_definitions(-DHAVE_CXX0X)
-
-
 ### Set strict compiler flags.
 
 set(CXX_FLAGS_STRICT_COMPILATION)

SConstruct

@@ -505,7 +505,6 @@ for env in [test_env, campaignd_env, client_env, env]:
         env.AppendUnique(CCFLAGS = Split("-W -Wall"), CFLAGS = ["-std=c99"])
 
         env.AppendUnique(CXXFLAGS = "-std=c++" + env["cxx_std"])
-        env.Append(CPPDEFINES = "HAVE_CXX0X")
 
         if env['openmp']:
             env.AppendUnique(CXXFLAGS = ["-fopenmp"], LIBS = ["gomp"])