feat: adding the value of pi-squared for float16

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---

Author: DivyanshuVortex

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

@@ -60,64 +60,6 @@ console.log( FLOAT16_PI_SQUARED );
 
 </section>
 
-<!-- /.examples -->
-
-<!-- C interface documentation. -->
-
-* * *
-
-<section class="c">
-
-## C APIs
-
-<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
-
-<section class="intro">
-
-</section>
-
-<!-- /.intro -->
-
-<!-- C usage documentation. -->
-
-<section class="usage">
-
-### Usage
-
-```c
-#include "stdlib/constants/float16/pi_squared.h"
-```
-
-#### STDLIB_CONSTANT_FLOAT16_PI_SQUARED
-
-Macro for the square of the mathematical constant [π][@stdlib/constants/float16/pi].
-
-</section>
-
-<!-- /.usage -->
-
-<!-- C API usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
-
-<section class="notes">
-
-</section>
-
-<!-- /.notes -->
-
-<!-- C API usage 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>

lib/node_modules/@stdlib/constants/float16/pi-squared/include/stdlib/constants/float16/pi_squared.h

@@ -17,7 +17,6 @@
   "directories": {
     "doc": "./docs",
     "example": "./examples",
-    "include": "./include",
     "lib": "./lib",
     "test": "./test"
   },