perf hists browser: Get rid of unused 'remaining' variable

It seems that the 'remaining' variable is not used by any real code.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
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: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1408522080-26556-4-git-send-email-namhyung@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/ui/browsers/hists.c

@@ -488,14 +488,13 @@ static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *browse
 {
 	struct rb_node *node;
 	int first_row = row, width, offset = level * LEVEL_OFFSET_STEP;
-	u64 new_total, remaining;
+	u64 new_total;
 
 	if (callchain_param.mode == CHAIN_GRAPH_REL)
 		new_total = chain_node->children_hit;
 	else
 		new_total = total;
 
-	remaining = new_total;
 	node = rb_first(&chain_node->rb_root);
 	while (node) {
 		struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node);
@@ -506,8 +505,6 @@ static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *browse
 		int first = true;
 		int extra_offset = 0;
 
-		remaining -= cumul;
-
 		list_for_each_entry(chain, &child->val, list) {
 			char bf[1024], *alloc_str;
 			const char *str;
@@ -1084,7 +1081,7 @@ static int hist_browser__fprintf_callchain_node_rb_tree(struct hist_browser *bro
 {
 	struct rb_node *node;
 	int offset = level * LEVEL_OFFSET_STEP;
-	u64 new_total, remaining;
+	u64 new_total;
 	int printed = 0;
 
 	if (callchain_param.mode == CHAIN_GRAPH_REL)
@@ -1092,7 +1089,6 @@ static int hist_browser__fprintf_callchain_node_rb_tree(struct hist_browser *bro
 	else
 		new_total = total;
 
-	remaining = new_total;
 	node = rb_first(&chain_node->rb_root);
 	while (node) {
 		struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node);
@@ -1103,8 +1099,6 @@ static int hist_browser__fprintf_callchain_node_rb_tree(struct hist_browser *bro
 		int first = true;
 		int extra_offset = 0;
 
-		remaining -= cumul;
-
 		list_for_each_entry(chain, &child->val, list) {
 			char bf[1024], *alloc_str;
 			const char *str;