[fix] Fixes per PR review. Reduced changes to the minimal

Author: filipecosta90

memtier_benchmark.cpp

@@ -1047,7 +1047,6 @@ run_stats run_benchmark(int run_id, benchmark_config* cfg, object_generator* obj
         threads.push_back(t);
     }
 
-
     // launch threads
     fprintf(stderr, "[RUN #%u] Launching threads now...\n", run_id);
     for (std::vector<cg_thread*>::iterator i = threads.begin(); i != threads.end(); i++) {
@@ -1126,6 +1125,7 @@ run_stats run_benchmark(int run_id, benchmark_config* cfg, object_generator* obj
 
     // join all threads back and unify stats
     run_stats stats(cfg);
+
     for (std::vector<cg_thread*>::iterator i = threads.begin(); i != threads.end(); i++) {
         (*i)->join();
         (*i)->m_cg->merge_run_stats(&stats);

obj_gen.h

@@ -140,8 +140,6 @@ class object_generator {
     const char * get_key_prefix();
     const char* get_value(unsigned long long key_index, unsigned int *len);
     unsigned int get_expiry();
-    unsigned long long get_key_range_min(void) { return m_key_min; }
-    unsigned long long get_key_range_max(void) { return m_key_max; }
 };
 
 class imported_keylist;