fix: Clean up README by removing commented links section

Removed commented-out related links section from README.

Signed-off-by: Sagar Ratna Chaudhary <161244282+sagar7162@users.noreply.github.com>

Author: sagar7162

lib/node_modules/@stdlib/constants/float16/sqrt-two/README.md

@@ -76,10 +76,6 @@ console.log( FLOAT16_SQRT2 );
 
 [@stdlib/math/base/special/sqrtf]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/sqrtf
 
-<!-- <related-links> -->
-
-<!-- </related-links> -->
-
 </section>
 
 <!-- /.links -->