followup to previous commit: helper.h should not be used for examples

examples/Makefile.am

@@ -45,7 +45,6 @@ endif
 
 EXTRA_DIST = 					\
 	README.txt				\
-	helper.h				\
 	axpy/axpy.h				\
 	axpy/axpy_opencl_kernel.cl		\
 	basic_examples/vector_scal_opencl_kernel.cl \

examples/cpp/add_vectors_cpp11.cpp

@@ -29,7 +29,6 @@
 #endif
 
 #include <starpu.h>
-#include "../helper.h"
 #if !defined(STARPU_HAVE_CXX11) || defined(STARPU_USE_NUMA)
 int main(int argc, char **argv)
 {