feat: fix the readMe file for ln-pi

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---

Author: DivyanshuVortex

lib/node_modules/@stdlib/constants/float16/ln-pi/README.md

@@ -62,20 +62,12 @@ console.log( FLOAT16_LN_PI );
 
 <!-- /.examples -->
 
-<section class="examples">
-
-</section>
-
-<!-- /.examples -->
-
-</section>
-
-<!-- /.c -->
-
 <!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
 
 <section class="related">
 
+</section>
+
 <!-- /.related -->
 
 <!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->