chore: address commit comments for commit 949d17d

- Remove intermediate `var N = x.length` variable and inline `x.length` directly in `nanrangeabs` and `nanrangeabs.ndarray` README examples
- Simplify benchmark require to use `./../lib` instead of `./../lib/main.js`

Author: Sumithraju

lib/node_modules/@stdlib/stats/strided/nanrangeabs/README.md

@@ -44,9 +44,8 @@ Computes the [range][range] of absolute values of a strided array, ignoring `NaN
 
 ```javascript
 var x = [ 1.0, -2.0, NaN, 2.0 ];
-var N = x.length;
 
-var v = nanrangeabs( N, x, 1 );
+var v = nanrangeabs( x.length, x, 1 );
 // returns 1.0
 ```
 
@@ -85,9 +84,8 @@ Computes the [range][range] of absolute values of a strided array, ignoring `NaN
 
 ```javascript
 var x = [ 1.0, -2.0, NaN, 2.0 ];
-var N = x.length;
 
-var v = nanrangeabs.ndarray( N, x, 1, 0 );
+var v = nanrangeabs.ndarray( x.length, x, 1, 0 );
 // returns 1.0
 ```
 

lib/node_modules/@stdlib/stats/strided/nanrangeabs/benchmark/benchmark.js

@@ -28,7 +28,7 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
-var nanrangeabs = require( './../lib/main.js' );
+var nanrangeabs = require( './../lib' );
 
 
 // FUNCTIONS //