Remove unused packages from xplat/js/package.json

Summary:
We have a large amount of small packages that are completely unused, or only have one call site. This diff cleans up a lot of them and reduces node_modules by 12 MiB (down to 187).

Changelog: [Internal]

Reviewed By: motiz88

Differential Revision: D21088213

fbshipit-source-id: 5fa7d3da5cbe744b0d9d3e3450d6135c1488ee79

scripts/android-e2e-test.js

@@ -36,7 +36,7 @@ const wd = require('wd');
 const path = require('path');
 const fs = require('fs');
 const pd = require('pretty-data2').pd;
-require('colors');
+
 // value in ms to print out screen contents, set this value in CI to debug if tests are failing
 const appiumDebugInterval = process.env.APPIUM_DEBUG_INTERVAL;