refactor: remove unnecessary variable

Author: kgryte

lib/node_modules/@stdlib/ndarray/reject/lib/main.js

@@ -79,7 +79,6 @@ function reject( x, options, predicate, thisArg ) {
 	var clbk;
 	var opts;
 	var ctor;
-	var cidx;
 	var ctx;
 	var ord;
 	var dim;
@@ -166,16 +165,14 @@ function reject( x, options, predicate, thisArg ) {
 	};
 
 	// Filter elements according to a predicate function...
-	cidx = -1;
 	for ( i = 0; i < N; i++ ) {
 		if ( i > 0 ) {
 			idx = nextCartesianIndex( sh, ord, idx, dim, idx );
 		}
 		v = x.get.apply( x, idx );
 		if ( !clbk.call( ctx, v, idx.slice(), x ) ) {
+			cache[ cache.length ] = v;
 			cache.length += 1;
-			cidx += 1;
-			cache[ cidx ] = v;
 		}
 	}
 	// Retrieve the number of cached elements: