Remove example class from dist build

Still want to be including this in our tests, so sanity test now runs
against a separate fixture.

__tests__/fixtures/tailwind-input.css

@@ -0,0 +1,10 @@
+@tailwind preflight;
+
+@tailwind utilities;
+
+@responsive {
+ .example {
+ @apply .font-bold;
+ color: config('colors.red');
+ }
+}

__tests__/sanity.test.js

@@ -7,12 +7,12 @@ import tailwind from '../src/index'
  * Tests
  */
 it('generates the right CSS', () => {
- const input = fs.readFileSync(path.resolve(`${__dirname}/../css/tailwind.css`), 'utf8')
+ const input = fs.readFileSync(path.resolve(`${__dirname}/fixtures/tailwind-input.css`), 'utf8')
 
  return postcss([tailwind()])
  .process(input)
  .then(result => {
- const expected = fs.readFileSync(path.resolve(`${__dirname}/fixtures/tailwind.css`), 'utf8')
+ const expected = fs.readFileSync(path.resolve(`${__dirname}/fixtures/tailwind-output.css`), 'utf8')
 
  expect(result.css).toBe(expected)
  })

css/tailwind.css

@@ -1,10 +1,3 @@
 @tailwind preflight;
 
 @tailwind utilities;
-
-@responsive {
- .example {
- @apply .font-bold;
- color: config('colors.red');
- }
-}