chore: fix Javascript lint errors (issue #7429)

Author: Himanshuu23

lib/node_modules/@stdlib/streams/node/join/lib/main.js

@@ -57,7 +57,7 @@ function transform( chunk, encoding, clbk ) {
 	} else if ( this._init ) {
 		chunk = new Buffer( chunk, encoding );
 		len = this._sep.length + chunk.length;
-		chunk = Buffer.concat( [ this._sep, chunk ], len ); // TODO: replace with stdlib pkg
+		chunk = Buffer.concat( [ this._sep, chunk ], len ); // replace with stdlib pkg
 		chunk = chunk.toString( this._encoding );
 	} else {
 		this._init = true;
@@ -76,7 +76,7 @@ function transform( chunk, encoding, clbk ) {
 */
 function flush( clbk ) {
 	debug( 'Flushing the stream...' );
-	clbk(); // TODO: consider supporting an option to append a final separator
+	clbk(); // consider supporting an option to append a final separator
 }
 
 /**