Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

build/javascript/node_modules/detective/test/sparse-array.js

@@ -1,14 +0,0 @@
-var test = require('tap').test;
-var detective = require('../');
-var fs = require('fs');
-var src = fs.readFileSync(__dirname + '/files/sparse-array.js');
-
-test('sparse-array', function (t) {
-    //just check that this does not crash.
-    t.doesNotThrow(function () {
-      detective(src)
-    })
-    t.end();
-});
-
-