do not require a package twice

freekmurze · freekmurze · commit 17a807f8e900 · 2017-03-24T19:15:41.000+01:00
diff --git a/composer.json b/composer.json
@@ -23,9 +23,6 @@
         "php": "^7.0",
         "phpunit/phpunit": "^6.0"
     },
-    "require-dev": {
-        "phpunit/phpunit": "^6.0"
-    },
     "autoload": {
         "psr-4": {
             "Spatie\\Snapshots\\": "src"
