update composer.json file

Author: antonioperic

composer.json

@@ -39,7 +39,6 @@
         "symplify/easy-coding-standard": "^2.4"
     },
     "prefer-stable": true,
-    "minimum-stability": "alpha",
     "autoload": {
         "psr-4": {
             "Locastic\\SyliusHTPayWayPlugin\\": "src/",
@@ -49,11 +48,6 @@
     "autoload-dev": {
         "classmap": ["tests/Application/app/AppKernel.php"]
     },
-    "extra": {
-        "branch-alias": {
-            "dev-master": "1.1-dev"
-        }
-    },
     "config": {
         "bin-dir": "bin"
     }