Update benchmark.js

Signed-off-by: Lokesh Ranjan <[email protected]>

Author: Lokeshranjan8

lib/node_modules/@stdlib/stats/base/dists/arcsine/quantile/benchmark/benchmark.js

@@ -34,7 +34,6 @@ bench( pkg, function benchmark( b ) {
 	var len;
 	var min;
 	var max;
-	var len;
 	var p;
 	var y;
 	var i;