Delete flaky benchmark test

tests/benchmark/framework.cc

 // Copyright 2014 The Native Client Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/time.h>
 
-// @EXEMPTION[include]
-#include "./framework.h"
+#include "native_client/tests/benchmark/framework.h"
 
 namespace {
 
 timeval start_tv;
 int start_tv_retv = gettimeofday(&start_tv, NULL);
 
 // Timer helper for benchmarking.
 double getseconds() {
   const double usec_to_sec = 0.000001;
   timeval tv;
@@ skipping 42 matching lines @@
     printf("RESULT Benchmark%s: %s= {%.6f, %.6f} seconds\n",
         name.c_str(), description, median, range);
     printf("---------------------------------------------------------------\n");
     // Invoke an optional callback on each benchmark.
     if (callback)
       callback(Benchmarks()[i], median, range, data);
   }
   printf("Done running benchmark suite.\n");
   return ret;
 }