apply suggested formmating changes and removed unused vairables

---
type: pre_push_report
description: Results of running various checks prior to pushing changes.
report:
  - task: run_javascript_examples
    status: na
  - task: run_c_examples
    status: na
  - task: run_cpp_examples
    status: na
  - task: run_javascript_readme_examples
    status: na
  - task: run_c_benchmarks
    status: na
  - task: run_cpp_benchmarks
    status: na
  - task: run_fortran_benchmarks
    status: na
  - task: run_javascript_benchmarks
    status: passed
  - task: run_julia_benchmarks
    status: na
  - task: run_python_benchmarks
    status: na
  - task: run_r_benchmarks
    status: na
  - task: run_javascript_tests
    status: na
---

Author: abhishekblue

lib/node_modules/@stdlib/stats/base/dists/planck/median/benchmark/benchmark.js

@@ -31,14 +31,11 @@ var median = require( './../lib' );
 
 bench( pkg, function benchmark( b ) {
 	var lambda;
-	var len;
 	var y;
 	var i;
 
-	len =100;
-	lambda = new Float64Array( len );
 
-	lambda = uniform(100, 1.0, 10.0); 
+	lambda = uniform( 100, 1.0, 10.0 ); 
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {

lib/node_modules/@stdlib/stats/base/dists/planck/median/benchmark/benchmark.native.js

@@ -22,7 +22,6 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
-var Float64Array = require( '@stdlib/array/float64' );
 var uniform = require( '@stdlib/random/base/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var tryRequire = require( '@stdlib/utils/try-require' );
@@ -41,14 +40,11 @@ var opts = {
 
 bench( pkg+'::native', opts, function benchmark( b ) {
 	var lambda;
-	var len;
 	var y;
 	var i;
 
-	len = 100;
 
-	lambda = uniform(100, 0.1, 10.0);
-
+	lambda = uniform( 100, 0.1, 10.0 );
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {