update benchmark.native.js

Author: AbhijitRaut04

lib/node_modules/@stdlib/math/base/special/minmax/benchmark/benchmark.native.js

@@ -23,7 +23,6 @@
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
 var randu = require( '@stdlib/random/base/uniform' );
-var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;