Brandur 524526c9b7 Remove FIXTURE definitions for ephemeral keys
Redefining the constant like this produces a warning:

```
$ bundle exec rake
/Users/brandur/stripe/stripe-ruby/test/stripe/ephemeral_key_test.rb:75: warning: already initialized constant Stripe::EphemeralKeyTest::FIXTURE
/Users/brandur/stripe/stripe-ruby/test/stripe/ephemeral_key_test.rb:6: warning: previous definition of FIXTURE was here
Loaded suite /Users/brandur/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/rake-11.1.2/lib/rake/rake_test_loader
Started
...
```

They also don't appear to be used, so it should be fine just to strip
them out of the test suite.
2017-06-21 15:39:41 -07:00
..
2017-02-14 12:17:37 -08:00
2017-03-17 16:11:05 +01:00
2017-02-14 12:17:37 -08:00
2017-02-14 12:17:37 -08:00
2017-02-14 12:17:37 -08:00
2017-05-18 11:29:59 +02:00
2017-02-14 12:17:37 -08:00
2017-02-14 12:17:37 -08:00
2017-02-14 12:17:37 -08:00
2017-02-14 12:17:37 -08:00
2017-03-17 16:11:05 +01:00
2017-05-18 11:29:59 +02:00