remove duplicate development gem

Commit 741e9cc61e was missing this.

Leads to annoying errors such as

```
$ bundle
Your Gemfile lists the gem minitest-parallel_fork (>= 0) more than once.
You should probably keep only one of them.
Remove any duplicate entries and specify the gem only once.
While it's not a problem now, it could cause errors if you change the version of one of them later.
```
This commit is contained in:
Mark Delk 2020-04-27 18:57:00 -05:00
parent 741e9cc61e
commit b67a93a487
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@ -11,7 +11,6 @@ gem "rx-file" , git: "https://github.com/ruby-x/rx-file"
group :test do
# reporter and parallel dont work together
# gem "minitest-reporters"
gem "minitest-parallel_fork"
gem "codeclimate-test-reporter" , require: false
gem "simplecov"
gem "minitest-color"