Remove minimum stability

Author: enryold

composer.json

@@ -3,7 +3,6 @@
     "type": "yii2-extension",
     "description": "A simple comments generator in Apidoc.js format for your yii2 RESTFul API's",
     "keywords": ["yii2", "apidoc", "apidoc.js", "generator"],
-    "minimum-stability": "stable",
     "license": "BSD",
     "support": {
         "issues": "https://github.com/enryold/yii2-apidoc-generator"