trim unused code. closes #155

Author: romainfrancois

inst/include/Rcpp/Benchmark/Timer.h

@@ -100,15 +100,6 @@ namespace Rcpp{
 
 #endif
 
-    namespace{
-        std::string get_first(const std::pair<std::string,nanotime_t>& pair) {
-            return pair.first;
-        }
-        double get_second(const std::pair<std::string,nanotime_t>& pair){
-            return static_cast<double>(pair.second);
-        }
-    }
-
     class Timer {
     public:
         Timer() : data(), start_time( get_nanotime() ){}