bench: use pkg directly without format

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Planeshifter

lib/node_modules/@stdlib/stats/incr/nanmmape/benchmark/benchmark.js

@@ -29,7 +29,7 @@ var incrnanmmape = require( './../lib' );
 
 // MAIN //
 
-bench( format( '%s', pkg ), function benchmark( b ) {
+bench( pkg, function benchmark( b ) {
 	var f;
 	var i;
 	b.tic();