It's not used anymore and the output format is accessed by the hpp_list
pointer instead when hierarchy is enabled.  Let's get rid of it.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1457531222-18130-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
        void                    *raw_data;
        u32                     raw_size;
        void                    *trace_output;
-       struct perf_hpp_fmt     *fmt;
        struct perf_hpp_list    *hpp_list;
        struct hist_entry       *parent_he;
        union {