remove redundant test folder

test/README.md

@@ -1 +0,0 @@
-This folder is only for simple library usage tests in `CJS` and `UMD`. Real unit tests are at `src/__test__`.

test/index.js

@@ -1,6 +0,0 @@
-const { makeProviders, makeStandardFetcher, targets } = require('../lib/index.umd.js');
-
-const providers = makeProviders({
-  fetcher: makeStandardFetcher(fetch),
-  target: targets.BROWSER,
-});

test/index.mjs

@@ -1,6 +0,0 @@
-import { makeProviders, makeStandardFetcher } from '../lib/index.mjs';
-
-const providers = makeProviders({
-  fetcher: makeStandardFetcher(fetch),
-  target: targets.BROWSER,
-});

test/package.json

@@ -1,6 +0,0 @@
-{
-  "scripts": {
-    "start:umd": "node index.mjs",
-    "start:cjs": "node index.js"
-  }
-}