chore: remove unused variable

Author: aayush0325

lib/node_modules/@stdlib/math/base/assert/is-oddf/examples/index.js

@@ -19,7 +19,6 @@
 'use strict';
 
 var randu = require( '@stdlib/random/array/discrete-uniform' );
-var roundf = require( '@stdlib/math/base/special/roundf' );
 var isOddf = require( './../lib' );
 
 var bool;