perf bench numa: Remove dead code in parse_nodes_opt()

In the function parse_nodes_opt(), the statement "return 0;" is dead
code, remove it.

Signed-off-by: Peng Fan <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

Author: ticat123

tools/perf/bench/numa.c

@@ -733,8 +733,6 @@ static int parse_nodes_opt(const struct option *opt __maybe_unused,
 		return -1;
 
 	return parse_node_list(arg);
-
-	return 0;
 }
 
 #define BIT(x) (1ul << x)