perf stat: Remove unused perf_counts.aggr field

The aggr field in the struct perf_counts is to keep the aggregated value
in the AGGR_GLOBAL for the old code.  But it's not used anymore.

Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
3 files changed