docs: fix duplicate definition

Author: kgryte

lib/node_modules/@stdlib/time/toc/README.md

@@ -101,8 +101,6 @@ function onTimeout() {
 
 <!-- <related-links> -->
 
-[@stdlib/time/tic]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/time/tic
-
 <!-- </related-links> -->
 
 </section>