perf kvm: Remove invocation of setup/exit_browser()

Calling setup_browser(false) with use_browser = 0 is meaningless.
Just get rid of it.  This is necessary to remove the browser
dependency from usage_with_options() and friends.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1449716459-23004-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-kvm.c

@@ -1351,7 +1351,6 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
 	disable_buildid_cache();
 
 	use_browser = 0;
-	setup_browser(false);
 
 	if (argc) {
 		argc = parse_options(argc, argv, live_options,
@@ -1409,8 +1408,6 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
 	err = kvm_events_live_report(kvm);
 
 out:
-	exit_browser(0);
-
 	if (kvm->session)
 		perf_session__delete(kvm->session);
 	kvm->session = NULL;