Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

build/javascript/node_modules/detective/bench/detect.js

@@ -1,7 +0,0 @@
-var detective = require('../');
-var fs = require('fs');
-
-var src = fs.readFileSync(__dirname + '/src/jquery.js', 'utf8');
-var t0 = Date.now();
-var requires = detective(src);
-console.log(Date.now() - t0);