chore: fix JavaScript lint errors

PR-URL: #8582
Closes: #8577
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: kaushal-kumar-it

lib/node_modules/@stdlib/utils/async/for-each/lib/main.js

@@ -48,36 +48,29 @@ var factory = require( './factory.js' );
 * @returns {void}
 *
 * @example
-* var readFile = require( '@stdlib/fs/read-file' );
-*
 * function done( error ) {
 *     if ( error ) {
 *         throw error;
 *     }
-*     console.log( 'Successfully read all files.' );
+*     console.log( 'Successfully processed all files.' );
 * }
 *
-* function read( file, next ) {
-*     var opts = {
-*         'encoding': 'utf8'
-*     };
-*     readFile( file, opts, onFile );
+* function process( file, next ) {
+*     console.log( 'Processing file: %s', file );
+*     setTimeout( onTimeout, 1000 );
 *
-*     function onFile( error ) {
-*         if ( error ) {
-*             return next( error );
-*         }
-*         console.log( 'Successfully read file: %s', file );
+*     function onTimeout() {
+*         console.log( 'Finished processing file: %s', file );
 *         next();
 *     }
 * }
 *
 * var files = [
-*     './beep.js',
-*     './boop.js'
+*     'beep.js',
+*     'boop.js'
 * ];
 *
-* forEachAsync( files, read, done );
+* forEachAsync( files, process, done );
 */
 function forEachAsync( collection, options, fcn, done ) {
 	if ( arguments.length < 4 ) {