perf mem: Remove unused symbol filter member

Member 'annotate_init' of struct perf_mem is unused.  Remove it.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1375961547-30267-5-git-send-email-adrian.hunter@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-mem.c

@@ -14,7 +14,6 @@ static const char	*mem_operation		= MEM_OPERATION_LOAD;
 struct perf_mem {
 	struct perf_tool	tool;
 	char const		*input_name;
-	symbol_filter_t		annotate_init;
 	bool			hide_unresolved;
 	bool			dump_raw;
 	const char		*cpu_list;
@@ -70,7 +69,7 @@ dump_raw_samples(struct perf_tool *tool,
 	const char *fmt;
 
 	if (perf_event__preprocess_sample(event, machine, &al, sample,
-				mem->annotate_init) < 0) {
+				NULL) < 0) {
 		fprintf(stderr, "problem processing %d event, skipping it.\n",
 				event->header.type);
 		return -1;