Remove benchMetrics

It's not all that interesting in the end

Bench.cpp

@@ -358,21 +358,6 @@ void benchWorstCaseForRadixRangeRead() {
   // }
 }
 
-void benchMetrics() {
-  ankerl::nanobench::Bench bench;
-  ConflictSet cs{0};
-
-  int count;
-  ConflictSet::MetricsV1 *m;
-  cs.getMetricsV1(&m, &count);
-  bench.batch(count);
-  bench.run("fetch metric", [&]() {
-    for (int i = 0; i < count; ++i) {
-      m[i].getValue();
-    }
-  });
-}
-
 void benchCreateAndDestroy() {
   ankerl::nanobench::Bench bench;
 
@@ -382,6 +367,5 @@ void benchCreateAndDestroy() {
 int main(void) {
   benchConflictSet();
   benchWorstCaseForRadixRangeRead();
-  benchMetrics();
   benchCreateAndDestroy();
 }