minor #208 Removed unused bin reference in composer.json (michnovka)

This PR was merged into the 2.x-dev branch.

Discussion
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Removed unused bin reference in composer.json

Fixes #207

The script was removed in https://github.com/Elao/PhpEnums/releases/tag/v2.1.0 so the presence in composer.json triggers a warning.

Commits
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4487ed9 Removed unused bin reference in composer.json

composer.json

@@ -20,9 +20,6 @@
             "homepage": "https://github.com/ogizanagi"
         }
     ],
-    "bin": [
-        "bin/elao-enum-dump-js"
-    ],
     "autoload": {
         "psr-4": {
             "Elao\\Enum\\": "src/"